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 Associated Press issued an updated style guidance in response to President Donald Trump's inauguration day executive orders that purported to rename two geographic landmarks, announcing a decision to cooperate with only one of them.

President Donald Trump is renaming the Gulf of Mexico the Gulf of America. But how will that change go into effect – and will everyone call it that?

Trump also renamed Denali, North America’s tallest peak, as Mount McKinley, despite objections from Alaska’s senators.

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.”

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

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 Gulf of Mexico will now officially be known as the Gulf of America, and North America’s highest peak will again bear the name Mount McKinley.

The U.S. Department of the Interior announced on Friday that they will implement President Trump’s name change for the Gulf Coast.

The Department of the Interior says they're moving quickly to implement President Donald Trump's executive order to rename Mount Denali and the Gulf of Mexico.