Mexican president says President Trump can call the gulf whatever he wants but that the world will still call it the Gulf of Mexico.

The order Trump signed instructs the Interior Department to update the Geographic Names Information System to reflect the renaming of the Gulf and remove all references to the Gulf of Mexico. It says all federal references to the Gulf of America, including on agency maps, contracts, and other documents and communications shall reflect the renaming.

Gulf of America” seems likely to become one of those phrases only Republicans use, joining “Democrat Party,” “job creators” and “death tax.”

Federal changes have to be made, but other countries and private companies can keep using "Gulf of Mexico." Here's why.

Among the first executive orders signed by President Donald Trump was an order to rename the Gulf of Mexico to the newly named "Gulf of America." "President Trump is bringing common sense to government and renewing the pillars of American civilization," the newly inaugurated president's executive order said.

Mapmakers and teachers are re-thinking what to call the gulf of water between Mexico, the United States, and Cuba after President Trump ordered it renamed from the Gulf of Mexico to the Gulf of America.

It is possible... President Donald Trump's executive orders propose bold changes to some of America's iconic landmarks. Here's how he could do it.

While a name change for the Gulf of Mexico could be applied for federal references, other nations have no obligation to follow suit.

The deployment was ordered after the Trump administration signaled its intent to rename the Gulf of Mexico and moved quickly to fire the Coast Guard commandant.

President Trump's executive order renames the Gulf of Mexico to the Gulf of America, cast your vote on which name you prefer.

Mapmakers and teachers are re-thinking what to call the gulf of water between Mexico, the United States and Cuba after President Donald Trump ordered it renamed from the Gulf of Mexico to the Gulf of America.