What Happened in 1801
4 historical events, 0 notable births, and 0 notable deaths in 1801.
Major Events
January 1801
general
1801 — year
general
Young's interference experiment — 1801 double-slit optical experiment by Thomas Young
February 1801
war
Treaty of Lunéville — 1801 Treaty during the War of the Second Coalition
April 1801
war
Battle of Copenhagen — battle between British and Dano–Norwegian navies (1801)