Same-sex marriage was legalized in Sweden.
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Massachusetts became the first US state to legalize same-sex marriage.
Around 200,000 people marched through Washington, D.C. streets to fight for gay and lesbian civil rights.
The American Psychiatric Association officially declared that homosexuality is not a mental illness.
Greece legalized same-sex marriage and adoption, becoming the first Orthodox Christian Country to do so.
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.
