• 50th anniversary of Nixon signing the National Speed Limit Law on January 2, 1974.
• 75th anniversary of President Truman’s Fair Deal speech on January 5, 1949
• 240th anniversary of the Treaty of Paris ratified on January 14, 1784
• 385th anniversary of the Fundamental Orders of Connecticut, considered the first colonial constitution, on January 14, 1639
• 55th anniversary of the USS Enterprise explosion on January 14, 1969
• 105th anniversary of the Great Molasses Flood on January 15, 1919
• 105th anniversary of the 18th Amendment ratified on January 16, 1919
• 105th anniversary of the Paris Peace Conference on January 18, 1919
• 80th anniversary of the Battle of Anzio starting on January 22, 1944
• 175th anniversary of Elizabeth Blackwell graduating with a medical degree, the first woman to do so, on January 23, 1849
• 100th anniversary of the Winter Olympics on January 25, 1924
• 75th anniversary of the Emmy Awards on January 25, 1949
• 80th anniversary of the Siege of Leningrad ended on January 27, 1944

• 140th anniversary of the Oxford English Dictionary, debuting on February 1, 1884
• 80th anniversary of the Battle of Kwajalein ending on February 3, 1944
• 235th anniversary of George Washington elected as the first President of the United States on February 4, 1789
• 60th anniversary of the Beatles arriving in New York City on February 7, 1964
• 120th anniversary of the Great Baltimore Fire on February 7, 1904
• 115th anniversary of the NAACP, founded on February 12, 1909
• 225th anniversary of the death of Captain Cook in Hawaii on February 14, 1799
• 95th anniversary of the St. Valentine’s Day Massacre on February 14, 1929
• 245th anniversary of the Battle of Kettle Creek in Georgia on February 14, 1779
• 160th anniversary of the Battle of Olustee in Florida on February 20, 1864
• 205th anniversary of the Adams-Onís Treaty on February 22, 1819, giving the United States East and West Florida from Spain.
• 65th anniversary of the Daytona 500 on February 22, 1959
• 245th anniversary of the Battle of Vincennes in Indiana on February 25, 1779
• 160th anniversary of Andersonville, the POW camp, opening on February 27, 1864

• 95th anniversary of the Increased Penalities Act on March 2, 1929. The bill increased penalties for bootlegging.
• 145th anniversary of the United States Geological Survey, founded on March 3, 1879
• 160th anniversary of Ulysse S. Grant taking command of the U.S. Army on March 10, 1864
• 160th anniversary of the Red River Campaign in Louisiana, on March 10, 1864
• 170th anniversary of the Republican Party, founded on March 20, 1854
• 185th anniversary of O.K. enters national vernacular on March 23, 1839
• 250th anniversary of the Boston Port Act on March 25, 1774. The act was passed as a direct response to the Boston Tea Party and closed the Port of Boston
• 45th anniversary of the Three Mile Island incident on March 28, 1979
• 250th anniversary of the Coercive Acts on March 28, 1774. Another direct response to the Boston Tea Party
• 135th anniversary of the Eiffel Tower opening on March 31, 1889

• 235th anniversary of the first Speaker of the House, Frederick A.C. Muhlenberg, elected on April 1, 1789
• 75th anniversary of NATO, founded on April 4, 1949
• 50th anniversary of Hank Aaron breaking Babe Ruth’s Home Run record on April 8, 1974
• 160th anniversary of the Fort Pillow Massacre, in Tennessee, on April 12, 1864
• 135th anniversary of the Oklahoma Land Rush on April 22, 1889
• 85th anniversary of the New York World’s Fair opening on April 30, 1939

• 160th anniversary of the Battle of Spotsylvania, in Virginia, on May 8, 1864
• 110th anniversary of President Wilson declaring Mother’s Day a national holiday on May 9, 1914
• 155th anniversary of the Transcontinental Railroad Completed on May 10, 1869
• 100th anniversary of John Edgar Hoover becoming the first FBI director on May 10, 1924
• 55th anniversary of the Battle of Hamburger Hill on May 11, 1969
• 220th anniversary of Lewis and Clark departing for their expedition on May 14, 1804
• 95th anniversary of the First Academy Awards on May 16, 1929
• 70th anniversary of Brown vs Board of Education on May 17, 1954
• 90th anniversary of Outlaws Bonnie and Clyde’s death on May 23, 1934
• 100th anniversary of the Immigration Act, signed by President Coolidge on May 26, 1924
• 165th anniversary of Big Ben opening on May 31, 1859
• 135th anniversary of the Johnstown Flood on May 31, 1889
• 160th anniversary of the Battle of Cold Harbor, in Virginia, on May 31, 1864

• 245th anniversary of Benedict Arnold court-martialed on June 1, 1779
• 100th anniversary of the Indian Citizenship Act, signed by President Coolidge on June 2, 1924
• 80th anniversary of Operation Overlord on June 6, 1944
• 75th anniversary of the FBI releasing their Hollywood Blacklist on June 8, 1949
• 160th anniversary of the Battle of Petersburg, in Virginia on June 15, 1864
• 140th anniversary of The Switchback Railway, America’s first roller coaster, opening on June 16, 1884
• 90th anniversary of the Indian Reorganization Act on June 18, 1934
• 80th anniversary of the Battle of the Philippine Sea on June 19, 1944
• 160th anniversary of the Battle of Cherbourg on June 19, 1864
• 80th anniversary of the GI Bill, signed by President Roosevelt on June 22, 1944
• 55th anniversary of the Stonewall Riots, in New York on June 28, 1969
• 110th anniversary of Archduke Ferdinand’s assassination on June 28, 1914

• 60th anniversary of the Civil Rights Act on July 2, 1864
• 270th anniversary of the Battle of Fort Necessity, in Pennslyvania on July 3, 1754
• 140th anniversary of France gifting the Statue of Liberty to the United States on July 4, 1884
• 220th anniversary of the Burr and Hamilton Duel on July 11, 1804
• 235th anniversary of Bastille Day on July 14, 1789
• 55th anniversary of the Apollo 11 launch on July 16, 1969
• 255th anniversary of the Rosetta Stone, founded on July 19, 1799
• 55th anniversary of Man walking on the moon on July 20, 1969
• 55th anniversary of Apollo 11 returning on July 24, 1969

• 100th anniversary of the First World War, beginning on August 1, 1914
• 80th anniversary of Anne Frank captured on August 4, 1944
• 160th anniversary of the Battle of Mobile Bay, in Alabama, on August 5, 1864
• 100th anniversary of the electric traffic signal installed in Cleveland on August 5, 1914
• 50th anniversary of Nixon’s resignation on August 8, 1974
• 90th anniversary of Alcatraz’s first inmates arrive on August 11, 1934
• 60th anniversary of Woodstock on August 15, 1969
• 80th anniversary of Paris’s liberation on August 19, 1944
• 230th anniversary of the Battle of Fallen Timbers, in Ohio, on August 20, 1794
• 65th anniversary of Hawaii becoming the 50th State on August 21, 1959
• 210th anniversary of Washington’s portrait saved on August 24, 1814
• 85th anniversary of the first televised Major League Baseball game, against the Brooklyn Dodgers and the Cincinnati Reds on August 26, 1939

• 160th anniversary of Atlanta falling to Union forces on September 1, 1864
• 235th anniversary of the U.S. Treasury, founded on September 2, 1789
• 250th anniversary of the First Continental Congress on September 5, 1774
• 210th anniversary of the Battle of Lake Champlain, in New York on September 11, 1814
• 210th anniversary of Francis Scott Key writing his poem, the Star-Spangled Banner, on September 14, 1814
• 80th anniversary of Operation Stalemate (Battle of Peleliu) on September 15, 1944
• 75th anniversary of the Berlin Airlift ending on September 30, 1949

• 75th anniversary of the creation of East Germany on October 7, 1949
• 160th anniversary of the Battle of Darbytown Road, in Virginia, on October 13, 1864
• 160th anniversary of the Battle of Cedar Creek, in Virginia, on October 19, 1864
• 65th anniversary of the Guggenheim Museum opening on October 21, 1959
• 120th anniversary of the New  York City subway opening on October 27, 1904
• 95th anniversary of “Black Tuesday,” the Stock Market Crash on October 29, 1929
• 160th anniversary of Nevada becoming a State on October 31, 1864

• 70th anniversary of Ellis Island closing on November 12, 1954
• 165th anniversary of Darwin publishing “Origin of Species” on November 24, 1859
• 160th anniversary of the Sand Creek Massacre, in Colorado, on November 29, 1864
• 160th anniversary of the Battle of Franklin, in Tennessee, on November 30, 1864

• 165th anniversary of John Brown’s execution on December 2, 1859
• 155th anniversary of Wyoming granting voting rights to women on December 10, 1869
• 80th anniversary of Glenn Miller disappearing on December 15, 1944
• 80th anniversary of  the Battle of the Bulge, beginning on December 16, 1944
• 160th anniversary of Sherman reaching Savannah on December 21, 1864
• 210th anniversary of the Treaty of Ghent, signed on December 24, 1814
• 100th anniversary of the Christmas Truce on December 25, 1914

Please email me any anniversaries you think should be considered for this list or any corrections.
— Larisa Moran, Contributing Editor, The History List.