Linkin Park singer Chester Bennington committed suicide aged 41.
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Alice Mary Robertson became the first woman to govern the US House of representatives.
The people of Colombia declared their independence from Spain.
Single 'In-a-gadda-da-vida' by Iron Butterfly became the first heavy metal song to hit the charts.
Apollo 11 landed on the Moon with astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins.
America's robot spacecraft, the Viking I, successfully landed on Mars.