What's in a name change, after all? The water bordered by the Southern United States, Mexico and Cuba will be critical to shipping lanes and vacationers whether it’s called the Gulf of Mexico, as it has been for four centuries,

President Donald Trump said the Gulf of Mexico will be called the Gulf of America, while the Denali mountain peak will revert to its former name, Mount McKinley.

As part of a torrent of decisions he issued hours after taking office, President Donald Trump declared that the name of America’s tallest mountain be changed from Denali to Mount McKinley, and that the Gulf of Mexico be renamed “The Gulf of America.”