Georgeana, Massachusetts (now known as York, Maine), becomes the first incorporated city in the United States.
The Dutch East India Company is nationalized by the Batavian Republic.
Napoleon returns to France from his banishment on Elba, start of the Hundred Days.
World War II: Bulgaria signs the Tripartite Pact, allying itself with the Axis powers.
Cold War: Klaus Fuchs is convicted of spying for the Soviet Union by disclosing top secret atomic bomb data.
Soviet Premier Joseph Stalin suffers a stroke and collapses; he dies four days later.
United States President John F. Kennedy establishes the Peace Corps.
U.S. invasion of Afghanistan: Operation Anaconda begins in eastern Afghanistan.
English-language Wikipedia reaches its one millionth article, Jordanhill railway station.