1961 CE

Yuri Gagarin becomes the first human in space aboard Vostok 1; the Tsar Bomba is detonated by the Soviet Union; the Bay of Pigs invasion is launched against Cuba; the Berlin Crisis of 1961 heightens Cold War tensions between the United States and the Soviet Union; the Sino-Soviet split deepens divisions between the People's Republic of China and the Soviet Union; the Assassination of Patrice Lumumba intensifies the Congo Crisis; the Portuguese Colonial War begins in Angola against Portugal; the Sabena Flight 548 crash occurs in Belgium; and the Freedom Rides challenge segregation in the American South.

In the 1960s, the 20th century.