| January 1 | Russia appoints 1st Jewish censor to censor Hebrew books |
| January 8 | 11th Amendment ratified, judicial powers construed |
| January 22 | Coup of Midderigh |
| January 30 | Rep Matthew Lyon, Vermont spits in face of Rep Roger Griswold,Connecticut, in U.S. House of Representatives, after an argument |
| February 2 | Federal St. Theater, Boston, becomes 1st in U.S. destroyed by fire |
| March 4 | Catholic women force to do penance for kindling sabbath fire for Jews |
| March 9 | Dr. George Balfour becomes 1st naval surgeon in the U.S. navy |
| March 29 | Republic of Switzerland forms |
| April 7 | Mississippi Territory organized |
| April 23 | Dutch emperor accepts new Constitution |
| April 30 | Department of Navy forms |
| May 26 | British kill about 500 Irish insurgents at the Battle of Tara |
| June 7 | Jews of Pesaro Italy fast commemorating murder of Jews |
| June 13 | Mission San Luis Rey de Francia founded in California |
| June 25 | U.S. passes Alien Act allowing president to deport dangerous aliens |
| July 1 | Napoleon's fleet reaches Alexandria Egypt |
| July 6 | U.S. law makes aliens "liable to be apprehended, restrained, ... and removed as alien enemies" |
| July 14 | 1st direct federal tax on states-on dwellings, land and slaves |
| July 14 | Sedition Act prohibits "false, scandalous and malicious" writing against U.S. government |
| July 16 | U.S. Public Health Service forms and U.S. Marine Hospital authorized |
| July 21 | Napoleon Bonaparte wins Battle of Pyramids in Egypt |
| July 23 | Napoleon captures Alexandria, Egypt |
| August 1 | Battle of Abukir on the Nile-Nelson defeats French fleet |
| August 2 | British under Admiral Horatio Nelson beat French at Battle of Nile |
| August 27 | Battle at Castelbar, Ireland: French army hunts The English |
| September 1 | England signs treaty with nizam of Hyderabad, India |
| September 5 | New conscription law goes into effect in France |
| September 10 | British Honduras beats Spain in battle of St. George |
| October 12 | Flemish uprising against French occupied Boerenkrijg |
| October 12 | Friedrich von Schillers "Wallensteins Lager," premieres in Weimar |
| November 16 | Kentucky becomes 1st state to nullify an act of Congress |
| November 27 | Rabbi Shneur Zalman, author (Tanya), released from St. Peterburg jail |
| December 4 | Rebellious Flemish farmers occupy Hasselt |
| December 5 | Government troops occupy Hasselt |
| December 14 | David Wilkinson of Rhode Island patents a nut and bolt machine |
| December 17 | 1st impeachment trial against a U.S. senator (Wm Blount, TN) begins |
| December 24 | Russia and England sign Second anti-French Coalition |