In one of his first acts as president, Donald Trump used an executive order on Monday to rename the Gulf of Mexico and Denali in Alaska.

During his inaugural address, President Donald Trump suggested he wants to revert the name of North America’s tallest mountain — Alaska’s Denali — to Mount McKinley. Here's why:

Donald Trump will order the renaming of the Gulf of Mexico and Alaska’s Mount Denali in his first hours as the 47th president, The Post has learned.

President Trump said he will sign executive orders to change the Gulf of Mexico to Gulf of America and Mount Denali to Mount McKinley.

Donald Trump's plan to rename Denali back to Mount McKinley reignites the debate over indigenous heritage and historical recognition.- Watch Video on English Oneindia

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

Shortly after being sworn in as the 47th President of the United States, Donald J. Trump signed a bunch of executive orders in the Oval Office.

President Donald Trump says he plans to rename North America’s tallest peak, Denali in Alaska, as Mount McKinley

The President's order to rename Denali, North America's highest peak, back to Mount McKinley does not agree with Alaska senator.

On President Donald Trump's Inauguration Day, Governor Ron DeSantis made Florida the first state to reference the "Gulf of America" in an executive order when he issued a state of emergency due to cold weather.

President Donald Trump renamed the Gulf of Mexico to the Gulf of America and the Alaska mountain Denali to Mount McKinley. What you need to know.