Jan. 1, 1863 - President Abraham Lincoln delivers the Emancipation Proclamation freeing the slaves.
Jan. 2, 1788 - Georgia is the 4th state to ratify the Constitution. |
| Jan. 2, 1915 - Allied forces win the Battle of Sarikamis. |
| Jan. 3, 1959 - Alaska is the 49th state admitted to the Union. |
| Jan. 4, 1896 - Utah is the 45th state admitted to the Union. |
| Jan. 4, 1951 - North Korean/Chinese forces recapture Seoul. |
| Jan. 5, 1778 - Naval mines are used for the 1st time by the Continental Navy. |
| Jan. 6, 1912 - New Mexico is the 47th state admitted to the Union. |
| Jan. 7, 1868 - The Arkansas constitutional convention meets in Little Rock. |
| Jan. 7, 1868 - The Mississippi constitutional convention meets in Jackson. |
| Jan. 8, 1798 - The 11th Amendment is added to the Constitution. |
| Jan. 9, 1788 - Connecticuit is the 5th state to ratify the Constitution. |
| Jan. 9, 1861 - Mississippi is the 2nd state to secede from the Union. |
| Jan. 8, 1815 - American forces win the Battle of New Orleans (they didn't know the war is over) |
| Jan. 10, 1861 - Florida is the 3rd state to secede from the Union. |
| Jan. 11, 1805 - The Michigan Territory is organized. |
| Jan. 11, 1861 - Alabama is the 4th state to secede from the Union. |
| Jan. 12, 1945 - American forces liberate the Phillipines. |
| Jan. 14, 1868 - The North Carolina constitutional convention meets in Raliegh. |
| Jan. 14, 1868 - The South Carolina constitutional convention meets in Columbia. |
| Jan. 16, 1907 - Oklahoma is the 46th state admitted to the Union. |
Jan. 16, 1991 - A U.N. air strike is launched on Iraq.
Jan. 16, 1991 - Operation Desert Storm begins.
Jan. 16 - Martin Luther King, Jr. Holiday observed. |
| Jan. 19, 1861 - Georgia is the 5th state to secede from the Union. |
| Jan. 20, 1937 - Franklin Roosevelt is sworn in as President for a 2nd term. |
| Jan. 20, 1937 - Henry Wallace is sworn in as Vice President for a 2nd term. |
| Jan. 20, 1941 - Franklin Roosevelt is sworn in as President for a 3rd term. |
| Jan. 20, 1941 - Henry Wallace is sworn in as Vice President for a 3rd term. |
| Jan. 20, 1945 - Franklin Roosevelt is sworn in as President for a 4th term. |
| Jan. 20, 1945 - Harry Truman is sworn in as the 34th Vice President of the United States. |
| Jan. 20, 1949 - Alben Barkley is sworn in as the 35th Vice President of the United States. |
| Jan. 20, 1949 - Harry Truman is sworn in as President for a 2nd term. |
| Jan. 20, 1953 - Dwight Eisenhower is sworn in as the 34th President of the United States. |
| Jan. 20, 1953 - Richard Nixon is sworn in as the 36th Vice President of the United States. |
| Jan. 20, 1957 - Richard Nixon is sworn in as Vice President for a 2nd term. |
| Jan. 20, 1961 - John Kennedy is sworn in as the 35th President of the United States. |
| Jan. 20, 1961 - Lyndon Johnson is sworn in as the 37th Vice President of the United States. |
| Jan. 20, 1965 - Hubert Humphrey is sworn in as the 38th Vice President of the United States. |
| Jan. 20, 1965 - Lyndon Johnson is sworn in as President for a 2nd term. |
| Jan. 20, 1969 - Richard Nixon is sworn in as the 37th President of the United States. |
| Jan. 20, 1969 - Spiro Agney is sworn in as the 39th Vice President of the United States. |
| Jan. 20, 1973 - Richard Nixon is sworn in as President for a 2nd term. |
| Jan. 20, 1973 - Spiro Agney is sworn in as Vice President for a 2nd term. |
| Jan. 20, 1977 - Jimmy Carter is sworn in as the 39th President of the United States. |
| Jan. 20, 1977 - Walter Mondale is sworn in as the 42nd Vice President of the United States. |
| Jan. 20, 1981 - George Bush is sworn in as the 43rd Vice President of the United States. |
| Jan. 20, 1981 - Ronald Reagan is sworn in as the 40th President of the United States. |
| Jan. 20, 1981 - The hostages from the American Embassy are freed. |
| Jan. 20, 1985 - George Bush is sworn in as Vice President for a 2nd term. |
| Jan. 20, 1989 - Dan Quale is sworn in as the 44th Vice President of the United States. |
| Jan. 20, 1989 - George Bush is sworn in as the 41st President of the United States. |
| Jan. 20, 1993 - Al Gore is sworn in as the 45th Vice President of the United States |
Jan. 20, 1997 - Al Gore is sworn in as Vice President for a 2nd term.
Jan. 20, 2001 - President George W. Bush is Inaugurated to first term.
Jan. 20, 2005 - President George W. Bush is Inaugurated to second term. |
| Jan. 21, 1957 - Dwight Eisenhower is sworn in as President for a 2nd term. |
| Jan. 21, 1985 - Ronald Reagan is sworn in as President for a 2nd term. |
| Jan. 21, 1993 - Bill Clinton is sworn in as the 42nd President of the United States. |
| Jan. 21, 1997 - Bill Clinton is sworn in as President for a 2nd term. |
| Jan. 23, 1933 - The 20th Amendment is added to the Constitution. |
| Jan. 26, 1837 - Michigan is the 26th state admitted to the Union. |
| Jan. 26, 1861 - Louisiana is the 6th state to secede from the Union. |
| Jan. 27, 1870 - Virginia is the 8th state to be readmitted to the Union. |
| Jan. 27, 1973 - The United States and Vietnam sign a peace treaty, ending the Vietnam War. |
| Jan. 28, 1712 - American forces attack the Tuscarora Indians during the Tuscarora Indian War. |
| Jan. 29, 1861 - Kansas is the 34th state admitted to the Union. |
| Jan. 29, 1919 - The 18th Amendment is added to the Constitution. |
| Jan. 30, 1781 - Maryland is the 13th State to ratify the Articles of Confederation. |
| Jan. 30, 1964 - The 24th Amendment is added to the Constitution. |
Jan. 31, 1917 - Germany declared unrestricted subamrine warfare against all ships.
Jan. 31, 1968 - Communist forces violate the New Year (TET) truce and launch the "TET Offensive"
against the populated areas of South Vietnam. |
|
| Feb. 1, 1865 - The 13th Amendment is passed by Congress. |
Feb. 1, 1992 - The United States and Russia sign a treaty officially ending the Cold War.
Feb. 1 - National Freedon Day observed. |
| Feb. 2, 1848 - Mexico and the United States sign the treaty of Guadalupe Hidalgo, ending the Mexican-American War. |
| Feb. 2, 1848 - The United States gains what is now California, Nevada, Utah, and parts of Arizona, Colorado, New Mexico, and Wyoming as a result of the Treaty of Guadalupe Hidalgo. |
| Feb. 2, 1943 - 200,000 german soldiers surrender at Stalingrad. |
| Feb. 3, 1809 - The Illinois Territory is organized. |
| Feb. 4, 1861 - The Apache declare war on the United States. |
| Feb. 4, 1861 - The Confederate States of America is formed. |
| Feb. 5, 1778 - South Carolina is the 1st State to ratify the Articles of Confederation. |
| Feb. 6, 1788 - Massachussetts is the 6th state to ratify the Constitution. |
| Feb. 6, 1899 - The United States annexes Guam, the Phillipines, and Puerto Rico. |
| Feb. 10, 1967 - The 25th Amendment is added to the Constitution. |
Feb. 12 - Abraham Lincoln's Birthday.
Feb. 13, 1861 - The 1st Congressional Medal is presented to Col. Bernard Irwin. |
| Feb. 14, 1859 - Oregon is the 33rd state admitted to the Union. |
| Feb. 14, 1912 - Arizona is the 48th state admitted to the Union. |
| Feb. 18, 1793 - The U.S. Supreme Court rules that a citizen of one state may sue a citizen of another state in Federal Court. |
| Feb. 18, 1861 - Alexander Stevens is sworn in as the 1st Vice President of the Confederate States of America. |
| Feb. 18, 1861 - Jefferson Davis is sworn in as the 1st President of the Confederate States of America |
Feb. 19, 1945 - Iwo Jima invaded in the bloodiest battle of World War II.
Feb. 20, 1792 - The United States Postal Service is established.
Feb. 20 - President's Day observed. |
| Feb. 20, 1933 - The 21st Amendment is passed by Congress. |
| Feb. 21, 1787 - The Continental Congress adopts a resolution calling for a convention of state delegates to draw up a change to the Articles of Confederation. |
Feb. 21, 1916 - The Battle of Verdun begins.
Feb. 22 - George Washington's Birthday. |
| Feb. 22, 1819 - The United States annexes Florida. |
| Feb. 22, 1900 - The Hawaii Territory is organized. |
| Feb. 23, 1861 - Texas is the 7th state to secede from the Union. |
| Feb. 23, 1870 - Mississippi is the 9th state to be readmitted to the Union. |
| Feb. 23, 1991 - A U.N. ground force liberates Kuwait. |
| Feb. 24, 1863 - The Arizona Territory is organized. |
| Feb. 24, 1863 - The New Mexico Territory is organized. |
| Feb. 24, 1868 - The U.S. House of Representatives impeaches President Andrew Johnson. |
| Feb. 25, 1913 - The 16th Amendment is added to the Constitution. |
| Feb. 26, 1951 - The 22nd Amendment is added to the Constitution. |
| Feb. 27, 1869 - The 15th Amendment is passed by Congress. |
| Feb. 28, 1704 - French/Indian forces destroy Deerfield, Massachussetts. |
| Feb. 28, 1861 - The Colorado Territory is organized. |
| Feb. 28, 1991 - A cease fire is signed between the United Nations and Iraq. |
|
| Mar. 1, 1803 - Ohio is the 17th state admitted to the Union. |
| Mar. 1, 1867 - Nebraska is the 37th state admitted to the Union. |
| Mar. 2, 1819 - The Arkansas Territory is organized. |
| Mar. 2, 1853 - The Oregon Territory is organized. |
| Mar. 2, 1853 - The Washington Territory is organized. |
| Mar. 2, 1861 - The Dakota Territory is organized. |
| Mar. 2, 1861 - The Nevada Territory is organized. |
| Mar. 2, 1917 - Puerto Rico is made a United States territory. |
| Mar. 2, 1932 - The 20th Amendment is passed by Congress. |
| Mar. 3, 1817 - The Alabama Territory is organized. |
| Mar. 3, 1845 - Florida is the 27th state admitted to the Union. |
| Mar. 3, 1849 - The Minnesota Territory is organized. |
| Mar. 3, 1918 - Russia pulls out of World War I. |
| Mar. 3, 1971 - The 26th Amendment is passed by Congress. |
| Mar. 4, 1791 - Vermont is the 14th state admitted to the Union. |
| Mar. 4, 1793 - George Washington is sworn in as President for a 2nd term. |
| Mar. 4, 1793 - John Adams is sworn in as Vice President for a 2nd term. |
| Mar. 4, 1797 - John Adams is sworn in as the 2nd President of the United States. |
| Mar. 4, 1797 - Thomas Jefferson is sworn in as the 2nd Vice President of the United States. |
| Mar. 4, 1801 - Aaron Burr is sworn in as the 3rd Vice President of the Unted States. |
| Mar. 4, 1801 - Thomas Jefferson is sworn in as the 3rd President of the United States. |
| Mar. 4, 1805 - George Clinton is sworn in as 4th Vice President of the United States. |
| Mar. 4, 1805 - Thomas Jefferson is sworn in as President for a 2nd term. |
| Mar. 4, 1809 - George Clinton is sworn in as Vice President for a 2nd term. |
| Mar. 4, 1809 - James Madison is sworn in as the 4th President of the United States. |
| Mar. 4, 1813 - Elbridge Gerry is sworn in as the 5th Vice President for a 2nd term. |
| Mar. 4, 1813 - James Madison is sworn in as President for a 2nd term. |
| Mar. 4, 1817 - Elbridge Gerry is sworn in as Vice President for a 2nd term. |
| Mar. 4, 1817 - James Monroe is sworn in as the 5th President of the United States. |
| Mar. 4, 1821 - Daniel Tompkins is sworn in as the 6th Vice President of the United States. |
| Mar. 4, 1821 - James Monroe is sworn in as President for a 2nd term. |
| Mar. 4, 1825 - John Calhoun is sworn in as the 7th Vice President of the United States. |
| Mar. 4, 1825 - John Quincy Adams is sworn in as the 6th President of the United States. |
| Mar. 4, 1829 - Andrew Jackson is sworn in as the 7th President of the United States. |
| Mar. 4, 1829 - John Calhoun is sworn in as Vice President for a 2nd term |
| Mar. 4, 1833 - Andrew Jackson is sworn in as President for a 2nd term. |
| Mar. 4, 1833 - Martin van Buren is sworn in as the 8th Vice President of the United States. |
| Mar. 4, 1837 - Martin van Buren is sworn in as the 8th President of the United States. |
| Mar. 4, 1837 - Richard Johnson is sworn in as the 9th Vice President of the United States. |
| Mar. 4, 1841 - John Tyler is sworn in as the 10th Vice President of the United States. |
| Mar. 4, 1841 - William Harrison is sworn in as the 9th President of the United States. |
| Mar. 4, 1845 - James Polk is sworn in as the 11th President of the United States. |
| Mar. 4, 1849 - Millard Filmore is sworn in as the 12th Vice President of the United States. |
| Mar. 4, 1853 - Franklin Pierce is sworn in as the 14th President of the United States. |
| Mar. 4, 1853 - William King is sworn in as the 13th Vice President of the United States. |
| Mar. 4, 1857 - James Buchanan is sworn in as the 15th President of the United States. |
| Mar. 4, 1857 - John Breckinridge is sworn in as the 14th Vice President of the United States. |
| Mar. 4, 1861 - Abraham Lincoln is sworn in as the 16th President of the United States. |
| Mar. 4, 1861 - Hannibal Hamlin is sworn in as the 15th Vice President of the United States. |
| Mar. 4, 1865 - Abraham Lincoln is sworn in as President for a 2nd term. |
| Mar. 4, 1865 - Andrew Johnson is sworn in as the 16th Vice President of the United States. |
| Mar. 4, 1869 - Schuyler Colfax is sworn in as the 17th Vice President of the United States. |
| Mar. 4, 1869 - Ulysses Grant is sworn in as the 18th President of the United States. |
| Mar. 4, 1873 - Henry Wilson is sworn in as the 18th Vice President of the United States. |
| Mar. 4, 1873 - Ulysses Grant is sworn in as President for a 2nd term. |
| Mar. 4, 1877 - William Wheeler is sworn in as the 19th Vice President of the United States. |
| Mar. 4, 1881 - Chester Arthur is sworn in as the 20th Vice President of the United States. |
| Mar. 4, 1881 - James Garfield is sworn in as the 20th President of the United States. |
| Mar. 4, 1885 - Grover Cleveland is sworn in as the 22nd President of the United States. |
| Mar. 4, 1885 - Thomas Hendricks is sworn in as the 21st Vice President of the United States. |
| Mar. 4, 1889 - Benjamin Harrison is sworn in as the 23rd President of the United States. |
| Mar. 4, 1889 - Levi Morton is sworn in as the 22nd Vice President of the United States. |
| Mar. 4, 1893 - Adlai Stevenson is sworn in as the 23rd Vice President of the United States. |
| Mar. 4, 1893 - Grover Cleveland is sworn in as the 24th President of the United States. |
| Mar. 4, 1897 - Garret Hobart is sworn in as the 24th Vice President of the United States. |
| Mar. 4, 1897 - William McKinley is sworn in as the 25th President of the United States. |
| Mar. 4, 1901 - Theodore Roosevelt is sworn in as the 25th Vice President of the United States. |
| Mar. 4, 1901 - William McKinley is sworn in as President for a 2nd term. |
| Mar. 4, 1905 - Charles Fairbanks is sworn in as the 26th Vice President of the United States. |
| Mar. 4, 1905 - Theodore Roosevelt is sworn in as President for a 2nd term. |
| Mar. 4, 1909 - James Sherman is sworn in as the 27th Vice President of the United States. |
| Mar. 4, 1909 - William Taft is sworn in as the 27th President of the United States. |
| Mar. 4, 1913 - Thomas Marshall is sworn in as the 28th Vice President of the United States. |
| Mar. 4, 1913 - Woodrow Wilson is sworn in as the 28th President of the United States. |
| Mar. 4, 1917 - Calvin Coolidge is sworn in as the 29th Vice President of the United States. |
| Mar. 4, 1921 - Charles Dawes is sworn in as the 30th Vice President of the United States. |
| Mar. 4, 1921 - Warren Harding is sworn in as the 29th President of the United States. |
| Mar. 4, 1925 - Calvin Coolidge is sworn in as President for a 2nd term. |
| Mar. 4, 1925 - Charles Curtis is sworn in as the 31st Vice President of the United States. |
| Mar. 4, 1929 - Herbert Hoover is sworn in as the 31st President of the United States. |
| Mar. 4, 1929 - John Garner is sworn in as the 32nd Vice President of the United States. |
| Mar. 4, 1933 - Franklin Roosevelt is sworn in as the 32nd President of the United States. |
| Mar. 4, 1933 - Henry Wallace is sworn in as the 33rd Vice President of the United States. |
| Mar. 5, 1770 - British troops fire on a rock throwing crowd (known as "The Boston Massacre"). |
| Mar. 5, 1794 - The 11th Amendment is passed by Congress. |
| Mar. 5, 1849 - Zachary Taylor is sworn in as the 12th President of the United States. |
| Mar. 5, 1877 - Rutherford Hayes is sworn in as the 19th President of the United States. |
| Mar. 5, 1917 - Woodrow Wilson is sworn in as President for a 2nd term. |
| Mar. 7, 1936 - Germany invades the Rhineland (Austria). |
| Mar. 9, 1862 - The 1st ironclads, the Monitor and the Merrimack , meet at the Battle of the James River (resulting in a Union victory). |
| Mar. 9, 1916 - Pancho Villa raids Columbus, New Mexico. |
| Mar. 11, 1861 - The Confederate Congress adopts their Constitution. |
| Mar. 13, 1868 - The U.S. Senate begins its Impeachment trial of President Andrew Johnson |
| Mar. 15, 1820 - Maine is the 23rd state admitted to the Union. |
| Mar. 15, 1916 - American forces drive Pancho Villa to Mexico. |
| Mar. 16, 1968 - American forces take My Lai. |
| Mar. 21, 1865 - Union forces finish the "march to the sea" (by taking Savanah, Georgia). |
| Mar. 23, 1983 - President Reagan starts the Strategic Defense Initiative. |
| Mar. 23, 1999 - NATO begins launching air strikes against Yugoslavia. |
| Mar. 24, 1947 - The 22nd Amendment is passed by Congress. |
| Mar. 27, 1794 - The United States Navy is established. |
| Mar. 29, 1961 - The 23rd Amendment is added to the Constitution. |
| Mar. 29, 1973 - The last of American forces leave Vietnam. |
| Mar. 30, 1822 - The Florida Territory is organized. |
| Mar. 30, 1867 - The United States purchases the Alaska Territory from Russia for $7.2 million. |
| Mar. 30, 1870 - Texas is the 10th state to be readmitted to the Union. |
| Mar. 30, 1870 - The 15th Amendment is added to the Constitution. |
|
| Apr. 1, 1789 - The United States House of Repersentatives holds its 1st full meeting in New York City. |
| Apr. 2, 1513 - Juan Ponce DeLeon establishes the 1st colony in what is now the United States (St. Augustine, Florida). |
| Apr. 2, 1792 - The United States Mint is established. |
| Apr. 2, 1865 - The fleeing Confederate government sets fire to Richmond. |
| Apr. 3, 1790 - The United States Coast Gaurd is established. |
| Apr. 3, 1865 - Union forces occupy the Confederate capital, Richmond (3rd part of the Anaconda Plan). |
| Apr. 4, 1845 - George Dallas is sworn in as the 11th Vice President of the United States. |
| Apr. 4, 1949 - North Atlantic Treaty Organization (NATO) is established by Belgium, Canada, Denmark, France, Great Britain, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, and the United States. |
| Apr. 6, 1841 - John Tyler is sworn in as the 10th President of the United States. |
| Apr. 6, 1917 - The United States enters World War I on the side of the Allies. |
| Apr. 7, 1862 - Union forces win the Battle of Shiloh. |
| Apr. 8, 1913 - The 17th Amendment is added to the Constitution. |
| Apr. 9, 1865 - The Confederate States of America surrender at Appomattox Courthouse, ending the Civil War. |
| Apr. 10, 1869 - The number of Supreme Court Justices is increased from 7 to 9. |
| Apr. 12, 1844 - The United States annexes what are now parts of Colorado, New Mexico, Kansas, Oklahoma, and Texas as a result of the Adams-Onis Treaty with Spain. |
| Apr. 12, 1861 - Confederate forces begin an assault on Fort Sumter. |
| Apr. 12, 1945 - Harry Truman is sworn in as the 33rd President of the United States. |
| Apr. 13, 1861 - After 34 hours of bombardment, Fort Sumter surrenders. |
| Apr. 14, 1862 - Union forces begin the Penninsula Campaign. |
| Apr. 14, 1868 - South Carolina adopts a new constitution. |
| Apr. 15, 1865 - Andrew Johnson is sworn in as the 17th President of the United States. |
| Apr. 16, 1868 - Louisiana adopts a new constitution. |
| Apr. 17, 1861 - Virginia is the 8th state to secede from the Union. |
| Apr. 17, 1961 - An American backed Cuban invasion force landed at Bahia de Cochinos (Bay of Pigs). |
| Apr. 19, 1775 - The Revolutionary War officially begins with the Battles of Lexington and Concord. |
| Apr. 19, 1861 - Union blockade of Confederate ports is initiated (1st part of the Anaconda Plan). |
| Apr 20. 1836 - The Wisconsin Territory is organized. |
| Apr. 20, 1898 - The United States declares war on Spain. |
| Apr. 21, 1789 - John Adams is sworn in as the 1st Vice President of the United States. |
| Apr. 21, 1914 - American forces occupy Vera Cruz, Mexico. |
| Apr. 27, 1861 - 48 counties in western Virginia secede to rejoin the Union (reducing Virginia's size to 42,326sq. miles). |
| Apr. 28, 1788 - Maryland is the 7th state to ratify the Constitution. |
| Apr. 30, 1789 - George Washington is sworn in as the 1st President of the United States. |
| Apr. 30, 1803 - The United States purchases the Louisiana Territory for $15 million, containing what is now Arkansas, part of Colorado, Iowa, Louisiana, part of Minnesota, Missouri, part of Montana, part of North Dakota, part of Oklahoma, South Dakota, and part of Wyoming. |
| Apr. 30, 1812 - Louisiana is the 18th state admitted to the Union. |
| Apr. 30, 1970 - American forces invade Cambodia. |
|
| May 1, 1898 - American forces win the Battle of Manila Bay. |
| May 2, 1890 - The Oklahoma Territory is organized. |
| May 4, 1778 - The Continental Congress ratifies the Treaty of Alliance with France. |
| May 4, 1863 - Confederate forces win the Battle of Chancellorsville. |
| May 5, 1779 - Deleware to ratify the Articles of Confederation. |
| May 6, 1861 - Arkansas is the 9th state to secede from the Union. |
| May 6, 1861 - President Abraham Lincoln declares a state of insurrection in the southern states. |
| May 7, 1800 - The Indiana Territory is organized. |
| May 7, 1800 - The Ohio Territory is organized. |
| May 7, 1915 - British liner Lusiatnia is sunk by german U-Boats, killing 128 american passengers. |
| May 7, 1992 - The 27th Amendment is added to the Constitution. |
| May 8, 1792 - The United States Military Draft is established. |
| May 8, 1794 - The United States Post Office is established. |
| May 8, 1846 - The Mexican War begins with the Battle of Palo Alto. |
| May 9, 1689 - Britain declares war on France. |
| May 10, 1775 - American forces take the British fort at Ticonderoga, New York. |
| May 10, 1869 - The Transcontinental Railroad is completed at Promontory Point, Utah. |
| May 11, 1858 - Minnesota is the 32nd state admitted to the Union. |
| May 13, 1846 - The United States declares war on Mexico. |
| May 14, 1607 - The first permanent English settlement in what is now the United States is established at Jamestown, Virginia. |
| May 14, 1812 - The Mississippi Territory is organized. |
| May 15, 1942 - Women are now allowed to serve in all branches of the armed services. |
| May 16, 1912 - The 17th Amendment is passed by Congress. |
| May 17, 1787 - Delegates begin meeting in Philadelphia to draw up a change to the Articles of Confederation. |
| May 17, 1804 - Louis & Clark begin their expedition of the Louisiana Territory. |
| May 17, 1884 - The Alaska Territory is organized. |
| May 17, 1954 - The U.S. Supreme Court declares that segregated schools violates the 14th Amendment. |
| May 21, 1861 - North Carolina is the 10th state to secede from the Union. |
| May 21, 1861 - Richmond, VA. becomes the official capital city of the Confederate States. |
| May 23, 1788 - South Carolina is the 8th state to ratify the Constitution. |
| May 24, 1689 - English Parliament guarantees freedom of religion for Protestants. |
| May 25, 1787 - George Washington is elected President of the Philadelphia convention. |
| May 26, 1864 - The Idaho Territory is organized. |
| May 26, 1864 - The Montana Territory is organized. |
| May 26, 1868 - The U.S. Senate acquits President Andrew Johnson of all 11 Articles of Impeachment. |
| May 29, 1790 - Rhode Island is the 13th state admitted to the Union. |
| May 29, 1845 - Wisconsin is the 29th state admitted to the Union. |
| May 30, 1850 - The Kansas Territory is organized. |
| May 30, 1850 - The Nebraska Territory is organized. |
|
| Jun. 1, 1792 - Kentucky is the 15th state admitted to the Union. |
| Jun. 1, 1796 - Tennessee is the 16th state admitted to the Union. |
| Jun. 1, 1868 - The Texas constitutional convention meets in Austin. |
| Jun. 2, 1774 - Martail Law is declared in Massachussetts. |
| Jun. 4, 1812 - The Missouri Territory is organized. |
| Jun. 4, 1940 - The British evaccuate over 300,000 soldiers from Dunkirk, France back accross the English Channel. |
| Jun. 5, 1919 - The 19th Amendment is passed by Congress. |
| Jun. 6, 1944 - Allied forces invade Normandy (reffered to as "D-Day"). |
| Jun. 8, 1861 - Tennessee is the 11th state to secede from the Union. |
| Jun. 9, 1772 - The 1st naval Battle of the American Revolution off the coast of Rhode Island. |
| Jun. 10, 1915 - The Girl Scouts is established. |
| Jun. 11, 1838 - The Iowa Territory is organized. |
| Jun. 12, 1775 - 2nd naval Battle of the American Revolution takes place. |
| Jun. 14, 1775 - The Continental Army is established by the Continental Congress. |
| Jun. 15, 1775 - George Washington is appointed to Commander-in-Chief of the Continental Army. |
| Jun. 15, 1836 - Arkansas is the 25th state admitted to the Union. |
| Jun. 15, 1916 - The Boy Scouts is established. |
| Jun. 16, 1960 - The 23rd Amendment is passed by Congress. |
| Jun. 17, 1775 - British troops win the Battle of Breed's Hill. |
| Jun. 18, 1812 - United States declares war on Britain. |
| Jun. 20, 1863 - West Virginia is the 35th state admitted to the Union. |
| Jun. 21, 1788 - New Hampshire is the 9th state to ratify the Constitution. |
| Jun. 21, 1788 - The United States Constitution goes into effect now that the necissary 9 states have ratified it. |
| Jun. 22, 1868 - Arkansas is the 2nd state to be readmitted to the Union. |
| Jun. 22, 1940 - France surrenders to Germany. |
| Jun. 22, 1941 - Germany invades the Soviet Union. |
| Jun. 25, 1788 - Virginia is the 10th state admitted to the Union. |
| Jun. 25, 1868 - Alabama is the 4th state to be readmitted to the Union. |
| Jun. 25, 1868 - Florida is the 3rd state to be readmitted to the Union. |
| Jun. 25, 1868 - Louisiana is the 5th state to be readmitted to the Union. |
| Jun. 25, 1868 - North Carolina is 6the th state to be readmitted to the Union. |
| Jun. 25, 1868 - South Carolina is 7the th state to be readmitted to the Union. |
| Jun. 25, 1950 - The Korean War officially starts as North Korea invades South Korea. |
| Jun. 26, 1945 - The United Nations is established. |
| Jun. 26, 1950 - North Korean forces take Seoul. |
| Jun. 27, 1950 - The United Nations declares war on North Korea. |
| Jun. 28, 1914 - Princip assasinates Archduke Ferdinand of the Ottoman Empire. |
| Jun. 28, 1919 - The Treaty of Versailles is signed, ending World War I. |
| Jun. 30, 1834 - The Indian Territory is established in what is now Oklahoma. |
| Jun. 30, 1971 - The 26th Amendment is added to the Constitution. |
|
| Jul. 1, 1863 - The Battle of Ghettysburg begins. |
| Jul. 1, 1898 - American forces win the Battle of Santiago. |
| Jul. 1, 1916 - The 1st Battle of Somme begins. |
| Jul. 2, 1964 - Segregation is now abolished in the United States. |
| Jul. 3, 1863 - Union forces win the Battle Ghettysburg. |
| Jul. 3, 1890 - Idaho is the 43rd state admitted to the Union. |
| Jul. 4, 1776 - The United States declares its Independence from Britain (by apporving the Declaration of Independence). |
| Jul. 4, 1863 - Union forces capture Vicksburg, thereby taking the entire Mississippi River (2nd part of the Anaconda Plan). |
| Jul. 4, 1946 - The Phillipines, a United States protectorate, gains its independence. |
| Jul. 6, 1965 - The 25th Amendment is passed by Congress. |
| Jul. 7, 1898 - The United States annexes Hawaii. |
| Jul. 9, 1778 - The Continental Congress approves the Articles of Confederation. |
| Jul. 10, 1850 - Millard Fillmore is sworn in as the 13th President of the United States. |
| Jul. 10, 1890 - Wyoming is the 44th state admitted to the Union. |
| Jul. 11, 1798 - The United States Marine Corps is established. |
| Jul. 12, 1909 - The 16th Amendment is passed by Congress. |
| Jul. 12, 1945 - American forces take Okinawa. |
| Jul. 15, 1870 - Georgia is the 11th state to be readmitted to the Union. |
| Jul. 15, 1918 - The 2nd Battle of the Marne begins. |
| Jul. 18, 1914 - The United States Army Air Corps is established. |
| Jul. 18, 1918 - Allied forces win the Battle of the Aisne-Marne. |
| Jul. 20, 1969 American astronaught Neil Armstrong is the 1st human to walk on the Moon. |
| Jul. 21, 1778 - North Carolina to ratify the Articles of Confederation. |
| Jul. 21, 1861 - Confederate forces win the 1st Battle of Bull Run. |
| Jul. 22, 1778 - Pennsylvania to ratify the Articles of Confederation. |
| Jul. 23, 1868 - The 14th Amendment is added to the Constitution. |
| Jul. 24, 1778 - Georgia to ratify the Articles of Confederation. |
| Jul. 24, 1866 - Tennessee is the 1st state to be readmitted to the Union. |
| Jul. 25, 1689 - France declares war on Britain. |
| Jul. 25, 1868 - The Wyoming Territory is organized. |
| Jul. 25, 1898 - American forces invade Puerto Rico. |
| Jul. 26, 1788 - New York is the 11th state admitted to the Union. |
| Jul. 28, 1914 - World War I begins as the Ottoman Empire declares war on Bosnia. |
| Jul. 29, 1914 - Central forces bomb Belgrade, Belgium. |
| Jul. 29, 1915 - American forces invade Haiti. |
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| Aug. 1, 1870 - Colorado is the 38th state admitted to the Union. |
| Aug. 2, 1990 - Iraqi forces invade Kuwait. |
| Aug. 3, 1492 - Christopher Columbus sets sail to find a westward route to the east. |
| Aug. 3, 1923 - Calvin Coolidge is sworn in as the 30th President of the United States. |
| Aug. 4, 1914 - Central forces invade Belgium. |
| Aug. 4, 1914 - President Wilson issues a proclamaition of neutrality. |
| Aug. 4, 1916 - The United States purchases the West Indies and the Virgin Islands for $25 million. |
| Aug. 4, 1964 - Vietnamese forces attack an American Destroyer (USS Maddox). |
| Aug. 5, 1917 - The United States National Gaurd is established. |
| Aug. 6, 1945 - The United States drops the 1st atomic bomb on Hiroshima, Japan. |
| Aug. 7, 1782 - Gen. George Washington creates the Order of the Purple Heart (for soldiers wounded in battle). |
| Aug. 7, 1942 - United States Marines land at Guadalcanal. |
| Aug. 7, 1964 - The United States begins military presence in Vietnam. |
| Aug. 7, 1998 - 2 american embassies (Dar Es Salaam, Tanzania and Nairobi, Kenya) in eastern Africa are destroyed by terrorist bombs. |
| Aug. 8, 1778 - New Hampshire to ratify the Articles of Confederation. |
| Aug. 8, 1786 - The Continental Congress adopts the "Dollar" and decimal coinage. |
| Aug. 9, 1945 - The United States drops the 2nd atomic bomb on Nagasaki, Japan. |
| Aug. 9, 1974 - Gerald Ford is sworn in as the 38th President of the United States. |
| Aug. 10, 1821 - Missouri is the 24th state admitted to the Union. |
| Aug. 12, 1898 - The United States and Spain sign an armistice, ending the Spanish-American War. |
| Aug. 14, 1848 - The United States annexes the Oregon Territory containing what is now Idaho, part of Montana, Oregon, Washington, part of Wyoming. |
| Aug. 15, 1914 - The Panama Canal opens for business. |
| Aug. 20, 1998 - American forces launch air strikes at 2 targets in retalliation for the american embassy bombings: a terrorist training facility in Afghanistan, and a chemical plant in Sudan. |
| Aug. 21, 1959 - Hawaii is the 50th state admitted to the Union. |
| Aug. 22, 1775 - King George III officially declares a state of open rebellion in the American colonies. |
| Aug. 22, 1846 - The United States annexes what is now Arizona and New Mexico. |
| Aug. 24, 1814 - The British set fire to Washington, D.C. |
| Aug. 25, 1914 - Central forces bomb Antwerp, Belgium. |
| Aug. 25, 1914 - Central forces invade France. |
| Aug. 25, 1916 - The United States National Park Service is established. |
| Aug. 25, 1944 - Allied troops liberate Paris. |
| Aug. 26, 1920 - The 19th Amendment is added to the Constitution. |
| Aug. 27, 1962 - The 24th Amendment is passed by Congress. |
| Aug. 28, 1867 - The U.S. annexes the Midway Islands. |
| Aug. 30, 1862 - Confederate forces win the 2nd Battle of Bull Run. |
| Aug. 30, 1914 - Central forces bomb Paris, France. |
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| Sep. 1, 1864 - Union forces take Atlanta. |
| Sep. 1, 1939 - Germany invades Poland. |
| Sep. 2, 1752 - Britain and the colonies under its control adopt the Gregorian calendar. |
| Sep. 2, 1945 - Japan unconditionally surrenders to the United States, ending World War II. |
| Sep. 3, 1783 - The Treaty of Paris 1783 is signed by Britain and the United States, officially ending the Revolutionary War as the United States is recognized as a sovereign nation. |
| Sep. 3, 1783 - The United States gains what is currently Indiana, Illinois, Kentucky, Michigan, Ohio, Tennessee, Wisconsin, and parts of Alabama, Georgia, Minnesota, Mississippi, North Carolina, Pennsylvania, Virginia, and West Virginia as a result of the Treaty of Paris 1783. |
| Sep. 3, 1916 - Allied forces win the Battle of Verdun. |
| Sep. 4, 1939 - France and Great Britain declare war on Germany. |
| Sep. 6, 1776 - The first submarine, the Turtle, is used in Battle in New York Harbor. |
| Sep. 9, 1850 - California is the 31st state admitted to the Union. |
| Sep. 9, 1850 - The Utah Territory is organized. |
| Sep. 9, 1914 - Allied forces win the Battle of Marne. |
| Sep. 12, 1918 - The 2nd Battle of Verdun begins. |
| Sep. 14, 1847 - American forces take Mexico City. |
| Sep. 14, 1901 - Theodore Roosevelt is sworn in as the 26th President of the United States. |
| Sep. 15, 1950 - U.N. forces take Inchon. |
| Sep. 17, 1787 - The delegates at the Philadelphia convention approve the Constitution and sends it to the Continental Congress. |
| Sep. 17, 1862 - Union forces win the Battle of Antietam. |
| Sep. 18, 1850 - The Fugitive Slave Act is passed by Congress, requiring the return of escaped slaves. |
| Sep. 19, 1777 - American forces win the 1st Battle of Saratoga. |
| Sep. 20, 1814 - The "Star-Spangled Banner" becomes the official national Anthem. |
| Sep. 20, 1881 - Chester Arthur is sworn in as the 21st President of the United States. |
| Sep. 22, 1862 - The Emancipation Proclomation is issued. |
| Sep. 23, 1806 - Lewis and Clark return from exploring the Louisiana Territory. |
| Sep. 25, 1789 - The United States Congress adopts the Bill of Rights (containing the 1st 10 Amendments) and sends it to the states to be ratified. |
| Sep. 25, 1804 - The 12th Amendment is added to the Constitution. |
| Sep. 26, 1918 - The Battle of Miuse-Argonne begins. |
| Sep. 28, 1787 - The Continental Congress sends the new Constitution to the states for ratification. |
| Sep. 28, 1939 - Germany and the Soviet Union sign the Warsaw pact, keeping the Soviet Union out of World War II. |
| Sep. 29, 1789 - The United States Army is established. |
| Sep. 29, 1918 - Allied forces push Central forces past the Hindenburg Line. |
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| Oct. 1, 1946 - Nazi war criminals receive sentencing at the Nuremberg trials. |
| Oct. 7, 1950 - U.N. forces recapture Seoul. |
| Oct. 12, 1492 - Christopher Columbus is the 1st European to set foot on the New World (in what is now the Dominican Republic). |
| Oct. 14, 1962 - American spy planes spot Soviet missile bases on Cuba. |
| Oct. 16, 1940 - Benjamin Davis becomes the first black General in the United States Army. |
| Oct. 17, 1946 - Winston Churchill proclaims "an iron curtain has swept across the continent (Europe)," begining the Cold War. |
| Oct. 19, 1781 - American/French forces win the Battle of Yorktown. |
| Oct. 22, 1861 - The transcontinental telegraph is completed. |
| Oct. 22, 1962 - The Soviet Union pulls its missiles out of Cuba. |
| Oct. 26, 1774 - The Minute Men are established in America. |
| Oct. 27, 1787 - The 1st of the Federalist Papers is published in a New York newspaper, calling for a Bill of Rights (written by Alexander Hamilton, James Madison, and John Jay). |
| Oct. 27, 1810 - The United States annexes what is now part of Alabama, part of Louisiana, and part of Mississippi. |
| Oct. 29, 1929 - The New York Stock Market crashes to an all time low (referred to as "Black Tuesday"), signalling the start of the Great Depression. |
| Oct. 31, 1864 - Nevada is the 36th state admitted to the Union. |
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| Nov. 1, 1952 - The United States detonates the 1st thermonuclear device. |
| Nov. 1, 1963 - American/Vietnamese forces stage a coup in Vietnam. |
| Nov. 2, 1783 - The Continental Army is disbanded. |
| Nov. 2, 1889 - North Dakota is the 39th state admitted to the Union. |
| Nov. 2, 1889 - South Dakota is the 40th state admitted to the Union. |
| Nov. 3, 1796 - John Adams was elected to be the second President of the United States. |
| Nov. 4, 1979 - Iranians seize the American Embassy in Tehran, Iran taking 52 people hostage. |
| Nov. 5, 1781 - John Hanson is elected the 1st President of the United States by the Continental Congress. |
| Nov. 8, 1889 - Montana is the 41st state admitted to the Union. |
| Nov. 11, 1889 - Washington is the 42nd state admitted to the Union. |
| Nov. 11, 1918 - The Allied and Central Powers sign an armistice, ending World War I. |
| Nov. 16, 1864 - Union forces begin the "march to the sea", from Atlanta to Savanah. |
| Nov. 17, 1869 - The Suez Canal opens for business, in Egypt, linking the Mediterranean and Red seas. |
| Nov. 18, 1805 - Lewis and Clark reach the Pacific Ocean. |
| Nov. 18, 1916 - Allied forces win the 1st Battle of Somme. |
| Nov. 21, 1789 - North Carolina is the 12th state admitted to the Union. |
| Nov. 22, 1963 - Lyndon Johnson is sworn in as the 36th President of the United States. |
| Nov. 25, 1863 - Union forces win the Battle of Chattanooga. |
| Nov. 26, 1778 - New Jersey to ratify the Articles of Confederation. |
| Nov. 28, 1775 - The Continental Navy is established by the Continental Congress. |
| Nov. 28, 1943 - Churchill, Roosevelt, and Stalin meet in Tehran to discuss WWII. |
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| Dec. 3, 1818 - Illinois is the 21st state admitted to the Union. |
| Dec. 4, 1619 - The 1st Thanksgiving is celebrated. |
| Dec. 5, 1792 - George Washington was re-elected president of the United States; John Adams was re-elected vice president. |
| Dec. 5, 1933 - The 21st Amendment is added to the Constitution. |
| Dec. 6, 1849 - Harriet Tubman escapes from slavery on the "Underground Railroad". |
| Dec. 6, 1973 - Gerald Ford is sworn in as the 40th Vice President of the United States. |
| Dec. 7, 1777 - The 2nd Battle of Saratoga begins. |
| Dec. 7, 1787 - Deleware is the 1st state to ratify the Constitution. |
| Dec. 7, 1796 - Electors chose John Adams to be the second president of the United States. |
| Dec. 7, 1941 - Japanese forces attack the United States naval base at Pearl Harbor, Hawaii. |
| Dec. 8, 1941 - The United States declares war on Japan. |
| Dec. 10, 1817 - Mississippi is the 20th state admitted to the Union. |
| Dec. 10, 1898 - The United States and Spain sign the Treaty of Paris 1898, officially ending the Spanish-American War. |
| Dec. 11, 1816 - Indiana is the 19th state admitted to the Union. |
| Dec. 11, 1941 - Germany and Italy declare war on the United States. |
| Dec. 12, 1787 - Pennsylvania is the 2nd state to ratify the Constitution. |
| Dec. 12, 1800 - Washington, D.C. becomes the official capital of the United States. |
| Dec. 12, 1803 - The 12th Amendment is passed by Congress. |
| Dec. 13, 1862 - Confederate forces win the Battle of Fredericksburg. |
| Dec. 14, 1819 - Alabama is the 22nd state admitted to the Union. |
| Dec. 15, 1791 - The Bill of Rights (containing the 1st 10 Amendments) is ratified by 3/4ths of the states and becomes a part of the U.S. Constitution. |
| Dec. 16, 1689 - English Parliament adopts a Bill of Rights. |
| Dec. 16, 1773 - The "Boston Tea Party" takes place as residents disguised as indians throw crates of tea into Boston Harbor. |
| Dec. 16, 1944 - A german surprise attack begins the Battle of the Bulge. |
| Dec. 16, 1998 - American forces launch the 1st of 3 air strikes at targets in Iraq. |
| Dec. 17, 1777 - American forces win the 2nd Battle of Saratoga. |
| Dec. 17, 1917 - The 18th Amendment is passed by Congress. |
| Dec. 17, 1998 - American forces launch the 2nd of 3 air strikes at targets in Iraq. |
| Dec. 18, 1787 - New Jersey is the 3rd state to ratify the Constitution. |
| Dec. 18, 1865 - The 13th Amendment is added to the Constitution. Jun 16, 1866 - The 14th Amendment is passed by Congress. |
| Dec. 18, 1972 - American forces begin bombing Hanoi and Haiphong. |
| Dec. 18, 1998 - American forces launch the 3rd of 3 air strikes at targets in Iraq. |
| Dec. 19, 1974 - Nelson Rockefeller is sworn in as the 41st Vice President of the United States. |
| Dec. 19, 1998 - The U.S. House of Representatives approves 2 of 4 Proposed Ariticles of Impeachment. |
| Dec. 20, 1606 - Virginia Company settlers left London to establish the first permanent English settlement in North America. |
| Dec. 20, 1860 - South Carolina is the 1st state to secede from the Union. |
| Dec. 21, 1790 - Samuel Slater opens the first textile factory in Pawtucket, Rhode Island. |
| Dec. 22, 1775 - Esek Hopkins is appointed to Commodore of the Navy. |
| Dec. 24, 1814 - The United States and Britain sign the Treaty of Ghent, ending the War of 1812. |
| Dec. 24, 1914 - Central forces bomb Dover, England. |
| Dec. 24, 1944 - Allied forces push the german troops past the german border. |
| Dec. 25, 1776 - American forces cross the Deleware River and attack British forces at Trenton. |
| Dec. 25, 1868 - President Andrew Johnson issues an unconditional pardon to all those who participated in the southern rebellion. |
| Dec. 28, 1846 - Iowa is the 30th state admitted to the Union. |
| Dec. 28, 1972 - American forces cease bombing Hanoi and Haiphong. |
| Dec. 29, 1845 - Texas is the 28th state admitted to the Union. |
| Dec. 30, 1853 - The United States purchases what is now part of Arizona and New Mexico. |
| Dec. 31, 1970 - The United States begins withdrawing troops from Vietnam. |
| Dec. 31, 1999 - Panama gains control of the Panama Canal from the United States. |
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