The Netherlands became the first country in the world to allow same-sex marriage.
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Thailand became the first Southeast Asian country to legalize same-sex marriage.
Same-sex marriage became legal in all 50 states.
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 Civil Marriage Act was introduced, making same-sex marriage legal in Canada.
