Though there's been speculation that Donald Trump had plans to move the capital of Israel from Tel Aviv to Jerusalem, his administration didn't confirm that they will, in fact, recognize Jerusalem as the capital city until yesterday.
The move is unprecedented, and reverses nearly seven decades of American policy.
The move is both controversial and dangerous, and people around the world were quick to speak up and push back against the American president's decision.
One of the strongest voices comes in the form of a hashtag, with people gathering behind #JerusalemIsTheCapitalOfPalestine. See what they had to say.