"We will restore the name of a great president, William McKinley, to Mount McKinley, where it should be and where it belongs," Trump said in his address. McKinley, 123 years after

The mountain had been officially called “Denali” since 2015, a decision made by former President Barack Obama to honour the name long used by Alaska Natives

The pledge to rename Denali was opposed by environmental groups and Alaskan politicians, including Republican U.S. Sen. Lisa Murkowski.

Former Presidents Barack Obama, Bill Clinton and George W. Bush will not attend President-elect Donald Trump's traditional inaugural lunch.

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."

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:

The Alaskan mountain, now known as Mount Denali, will revert back to its previous name Mount McKinley, which was changed by former President Barack Obama. Obama changed the name to Denali in 2015 to reflect the traditions of Alaska Natives as well as the preference of many Alaska residents.

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

In 2015, then-President Barack Obama changed the mountain's name to Denali to reflect the traditions of Alaska Natives and preferences of residents.

During his inaugural address, President Donald Trump vowed to change the name of Denali in Alaska back to Mount McKinley.

President Donald Trump made a series of sweeping pronouncements in his inaugural address, including a pledge to restore the name of Mount McKinley to North America’s tallest peak.