President Donald Trump has issued a flurry of executive orders — including one to change the official name of North America's tallest mountain.

Trump's decision is being met with resistance, as many Alaska lawmakers, including its two Republican Senators, have voiced opposition to the change.

Hours into his second term as president, Donald Trump signed an executive order renaming Denali, the tallest mountain in the US, to Mount McKinley in honour of former President William McKinley. Here's everything you need to know about the Republican president, who served for just under five years before he was assassinated.