| January 1 | Albany replaces New York City as capital of NY |
| January 15 | 1st top hat worn (John Etherington of London) |
| January 26 | Russia, Prussia and Austria sign treaty |
| January 30 | Congress refuses to accept 1st petitions from American blacks |
| February 4 | Earthquake in Quito, Ecuador kills 41,000 |
| February 12 | Haydn's song "Gott erhalte Franz den Kaiser," premieres in Vienna |
| February 15 | Battle of Cape St. Vincent |
| February 19 | 1/3 of papal domain ceded to France |
| February 21 | Trinidad, West Indies surrenders to British |
| March 4 | John Adams inaugurated as 2nd president of the United States |
| March 13 | Cherubini's opera "Medee," premieres in Paris |
| March 28 | Nathaniel Briggs of New Hampshire patents a washing machine |
| April 18 | France and Austria signs cease fire |
| May 5 | Napoleon I's sister Elisa marries Felix Bacciochi |
| May 10 | 1st Navy ship, the "United States," is launched |
| June 2 | 1st ascent of "Great Mountain" (4,622') in Adirondack New York (C Broadhead) |
| June 6 | Napoleon forms Ligurische Republic |
| June 26 | Charles Newbold patents 1st cast-iron plow. He can't sell it to farmers, though, they fear effects of iron on soil! |
| July 8 | 1st U.S. senator, William Blount of Tennessee, expelled by impeachment |
| July 10 | 1st U.S. frigate, the "United States," is launched in Philadelphia |
| August 3 | Emperor Francis I permits Jews who served in military in "Countries of Bohemian Crown" to marry non Jews |
| August 16 | Comet C/1797 P1 (Bouvard-Herschel) approaches 0.0879 AUs of Earth |
| September 1 | 2nd National Meeting in Hague |
| September 20 | U.S. frigate Constitution (Old Ironsides) launched in Boston |
| October 11 | Battle at Kamperduin: English fleet destroys Bataafse |
| October 11 | British naval forces defeat Dutch off Camperdown, Netherlands |
| October 17 | Peace of Campo Formio: Austrian Dutch possessions and France |
| October 21 | U.S. Navy frigate Constitution, Old Ironsides, launched in Boston |
| October 22 | 1st sky diver (Andre-Jacques Trim, above Paris) |
| October 22 | Andre-Jacques Garnerin makes 1st parachute jump from balloon (Paris) |
BrainyHistory
