Same-sex marriage became legal in Austria.
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Elton John and his partner David Furnish registered their civil partnership at Windsor Town Hall on the first day civil partnerships could legally be performed in England.
The Civil Marriage Act was introduced, making same-sex marriage legal in Canada.
Japan recognized its first legal same-sex couple.
Magnus Hirschfeld founded the Scientific-Humanitarian Committee in Berlin.
The House of Commons voted in favor of same-sex marriage in the United Kingdom.
