Apple Maps, Bing Maps and Google Maps have all changed their Maps software and apps to now display Gulf of America on the body of water that's been known as the Gulf of Mexico since the 16th century.Google began to populate the change on Feb.

The change comes weeks after President Donald Trump signed an executive order to officially change the gulf's name in the U.S. Geographic Names Information System. But it won't affect all users — here's what to know.