The American Psychiatric Association officially declared that homosexuality is not a mental illness.
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Californian Judge Vaughn Walker overturned the same-sex marriage ban.
The House of Commons voted in favor of same-sex marriage in the United Kingdom.
The UK's repealed anti-gay amendment, Section 28, came to a complete end in the UK.
Carl Nassib became the first openly-gay NFL player to play a regular-season game.
Magnus Hirschfeld founded the Scientific-Humanitarian Committee in Berlin.
