31 January in history
10 events that happened on 31 January, from 1747 to 1990.
✦ Anniversary of the day
1865 CE 161 years ago
US House passes the Thirteenth Amendment abolishing slavery
After intense lobbying by President Lincoln, the House of Representatives approved the amendment by 119 votes to 56. Ratified in December 1865, it ended slavery throughout the United States.
1917 CE 109 years ago
Germany announces unrestricted submarine warfare
Germany told the United States its U-boats would sink without warning any ship in the war zone from the next day. The decision led to the break in relations and, in April, to America's declaration of war.
1940 CE 86 years ago
First monthly Social Security cheque is issued
Ida May Fuller, a retired legal secretary from Vermont, received cheque number 00-000-001 for 22.54 dollars. She lived to 100 and collected about 22,000 dollars in benefits.
1958 CE 68 years ago
Explorer 1, America's first satellite, is launched
A Jupiter-C rocket put Explorer 1 into orbit from Cape Canaveral, four months after Sputnik. Its Geiger counter detected the Van Allen radiation belts around the Earth.
1961 CE 65 years ago
Ham the chimpanzee flies into space
Ham flew a suborbital flight on Mercury-Redstone 2, performing simple tasks in response to lights. His safe return cleared the way for Alan Shepard's flight that May.
1971 CE 55 years ago
Apollo 14 launches for the Moon
Alan Shepard, Stuart Roosa and Edgar Mitchell lifted off from Kennedy Space Center. Landing at Fra Mauro on 5 February, Shepard famously hit two golf balls on the lunar surface.
1990 CE 36 years ago
McDonald's opens in Moscow
The first McDonald's in the Soviet Union opened on Pushkin Square, serving about 30,000 people on its first day. Queues stretched for hours as the Cold War drew to a close.
