Greece legalized same-sex marriage and adoption, becoming the first Orthodox Christian Country to do so.
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The US military policy "don't ask, don't tell" came to an end.
Same-sex marriage became legal in all 50 states.
President Barack Obama officially declared his support of same-sex marriage.
Californian Judge Vaughn Walker overturned the same-sex marriage ban.
The Civil Marriage Act was introduced, making same-sex marriage legal in Canada.
