President Donald Trump signed numerous executive orders on his first day in office on Monday—one of the executive orders was to rename Mt. Denali and the Gulf of Mexico.

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President Donald Trump says he’s changing the official name of Alaska’s — and North America’s — tallest peak from Denali back to Mount McKinley. It’s the latest chapter in a long struggle over what the mountain should be called.

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. To start, Trump re-named the Gulf of Mexico the “Gulf of America,” following through on a promise he made during his campaign. The body of water borders Texas, Louisiana, Mississippi, Alabama, and Florida.

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.

The move is likely to face some pushback in Alaska, where the Alaska Native name has long been favored for the continent’s tallest mountain.

The president made the name change through one of dozens of executive orders he signed on Monday. Former President Barack Obama’s administration ordered that the mountain be renamed as Denali in 2015.

President-elect Donald Trump said in his inaugural address that he plans to rename the Gulf of Mexico and the Denali peak in Alaska. The Gulf of Mexico will be renamed the Gulf of America, and Denali,

President Trump says he's looking at Feb.1 as the day when he'll slap tariffs on Canada and Mexico — two countries his first administration negotiated a trade deal with. Then, an executive order to rename an Alaskan mountain with the highest peak in North America wouldn't be the first name change for Denali.

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An executive order to rename an Alaskan mountain with the highest peak in North America wouldn't be the first name change for Denali.