It seems as if President Trump either made a real mistake or doesn't know what he's the president of.
After meeting with Kenneth Mapp who is the governor of the U.S. Virgin Islands, he stated he'd met with the President of the Virgin islands, problem with that is that he's the President of the Virgin Islands because it's a U.S. territory.
Hear the audio below and judge for yourself if the President made a mistake or doesn't actually know what he's the president of.