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.

The peak was known as Mount McKinley until 2015, when President Obama changed it in recognition of its 10,000 year old original Alaskan name

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.

President Donald Trump announced the name of Alaska’s highest peak — and North America’s tallest at over 20,000 feet — Denali, would be changed back to Mount McKinley. Trump was sworn in as the 47th president on Monday,

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,

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.

Trump said he planned to “restore the name of a great president, William McKinley, to Mount McKinley, where it should be and where it belongs."

The 47th president is wading back into a century-long dispute over the name we give to North America’s tallest mountain

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.

During his inaugural address, President Donald Trump said he will rename the Gulf of Mexico to the “Gulf of America,” something that he has mentioned previously. “America will reclaim its rightful place as the greatest,