Why did they change the name of Mt. McKinley? Donald Trump promised to change the name back, but why was it changed to begin with?

The tallest peak in North America has been named Denali since 2015 when its name was officially changed under former President Barack Obama.

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.

On the day that Donald Trump was sworn in as the 47th President of the United States, he signed a flurry of executive orders, including one that will rename Alaska's tallest peak to the name it held for almost a century.

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."

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.

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 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, and made the announcement in his inaugural address, also promising to change the name of the Gulf of Mexico.

Some have an immediate policy impact. Others are more symbolic. Some already are being challenged by federal lawsuits.

Some of Trump's executive orders have an immediate policy impact. Others are more symbolic. Some already are being challenged by federal lawsuits.

President Donald Trump started his second administration with a blitz of policy actions to reorient the U.S. government.