Explorer Juan Ponce de León found Florida and claimed it for Spain.
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Martin Luther King started his first of many non-violent demonstrations in Birmingham, Alabama, US.
The Falklands War broke out between Argentina and Britain over the Falkland Islands and lasted ten weeks.
The Coinage Act was enacted in the US.
Beethoven performed his first concert 'for his benefit' at Austria's Royal Imperial Court Theatre.
The Soviet Union's Zond 1 space probe was launched from the Baikonur Cosmodrome.