How do place names get made and then changed? There’s a process. But it involves people as well as bureaucracy, so it’s not simple or quick, as President Trump is about to find out.

The tallest mountain in the United States has been officially reverted to Mount McKinley, the U.S. Department of the Interior announced in a press release Friday. The official action comes four days after President Donald Trump signed an executive order on his first day back in office that also changes the name of the Gulf of Mexico to the Gulf of America.