December 31 | Facts
English astronomer James Bradley announces discovery of Earth’s nutation motion (wobble)
Thomas Edison gave the first public demonstration of an electric incandescent lamp.
Hubble announces existence of distant galaxies.
The first breath test for drivers, “drunkometer,” was introduced in Indianapolis.
President Truman officially proclaimed the end of hostilities in World War II.
The Marshall Plan expired after distributing more than $12 billion in foreign aid.
Central African Federation of Rhodesia and Nyasaland was formally dissolved.
The al-Fatah guerrillas of Yasser Arafat launched their first terrorist raid on Israel.
Robert Mugabe sworn in as Zimbabwe’s president.
Russian President Boris Yeltsin resigned. Prime Minister Vladimir Putin was designated acting president.