21. USA: June 26, 2015
In case you haven’t heard, it is now legal for same-sex couples to marry in all 50 states of America. Previously, individual states were left to decide this for themselves. However, the US Supreme Court voted 5 to 4 to extend this right to all loving couples, gay or straight, nationwide. It’s a divisive issue with many vocal opponents, but after decades of LGBT activism, polls indicate that most Americans approve of these unions. Now the law does too.
