Russian spacecraft Vega 2 landed on Venus.
The Vega 2 was a mission to explore both Venus and Halley’s Comet.
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Spain held its first democratic elections since 1936.
The comedy movie 'The Apartment' was released in New York, US.
The second-largest volcano eruption of the 20th Century happened in the Philippines.
John Lennon and Yoko Ono planted acorns for world peace after also mailing acorns to many world leaders to do the same.
The US Supreme Court ruled that school is for everyone and banned discrimination based on citizenship.