Harrisburg renamed its Market Street to Martin Luther King Boulevard and then switched back to Market Street several years later — with loud complaints both times.

However, Trump's order only applies to the U.S. government's official position. Though headquartered in the U.S., corporations such as Google and Apple aren't beholden to the president's directive to rename the landmarks, raising questions as to whether they'll update their popular map services to reflect the government's stance.

The federal government is formally implementing President Trump’s directive to rename the Gulf of Mexico and Denali. The Interior Department issued a press release saying that the “the Gulf of Mexico will now officially be known as the Gulf of America.