U.S. 21st country to allow same-sex marriage nationwide

WASHINGTON, DC - JUNE 25: Supporters for and against gay marriage gather in front of the Supreme Court Building June 25, 2015 in Washington, DC. The high court is expected rule in the next few days on whether states can prohibit same sex marriage, as 13 states currently do. (Photo by Mark Wilson/Getty Images)

U.S. 21st country to allow same-sex marriage nationwide

Situation Room

The U.S. Supreme Court ruled in favor of allowing same-sex marriage nationwide in the U.S. CNN's Pamela Brown reports on the cheers and tears.

02:20 - Source: CNN

Same-sex marriage ruling 17 videos

WASHINGTON, DC - JUNE 25: Supporters for and against gay marriage gather in front of the Supreme Court Building June 25, 2015 in Washington, DC. The high court is expected rule in the next few days on whether states can prohibit same sex marriage, as 13 states currently do. (Photo by Mark Wilson/Getty Images)

U.S. 21st country to allow same-sex marriage nationwide

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Supporters of same-sex marriages gather outside the U.S. Supreme Court waiting for its decision on April 28, 2014 in Washington, D.C.

Supreme Court: Same-sex marriage legal nationwide

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