Jan. 28, 2021—Following the Jan. 6 rightist mob attack on the U.S. Capitol, Facebook, Twitter, YouTube, and other social media companies shut down former U.S. president Donald Trump’s accounts on their platforms. Trump had encouraged the assault on U.S. Congress at a Washington D.C. rally earlier that day in a culminating step to a two-month-long campaign to overturn the results of the November election.