Montana Gov. Greg Gianforte has entered the Treasure State in an ongoing flag war between supporters of President-elect Donald Trump and current President Joe Biden, who for ordered the United States flag at half-staff on Monday, Inauguration Day.

President Joe Biden offered up a few surprises in his farewell address. Instead of simply summing up his term in office, he warned Wednesday about the increasing influence of the ultrawealthy, criticized disinformation on social media and called for continuing the fight against climate change.

President Joe Biden is spending his final full day in office in South Carolina. It's a state that holds special meaning for him.

Montana Governor Greg Gianforte recently criticized President Joe Biden and the United States Fish and Wildlife Services for rejecting years-old petitions from the state to remove the grizzly bear from the list of endangered and threatened species.

Biden's decision comes after Trump warned of an enemies list filled with those who've crossed him politically.

A new Gallup survey found over half, 54%, believe Biden will be remembered as a “below average” (17%) or “poor” (37%) president. Just 19% think he’ll be remembered as an “outstanding” (6%) or “above average” (13%) president.

Joe Biden’s imprint on the federal judiciary goes far beyond his naming of the first Black woman justice to the Supreme Court.

Joe Biden has wrapped up a more than 50-year political career. But he also promised that “we’re not leaving the fight,” as he bid farewell to the presidency and flew to California with his family to ease back into private life.

Joe Biden pardoned Dr. Anthony Fauci, retired Gen. Mark Milley and members of the House committee that investigated the Jan. 6 attack on the Capitol. Separately, Biden commuted the life sentence of Indigenous activist Leonard Peltier.

President Joe Biden has commuted the sentence of Indigenous activist Leonard Peltier, who was convicted in the 1975 killings of two FBI agents and is serving life in prison.

Joe Biden issued preemptive pardons to Anthony Fauci, Mark Milley, and the members of the House Jan. 6 committee, ahead of Donald Trump taking office.

Historians say it will take years to fully assess Joe Biden's legacy, but several spoke to ABC News to offer a glimpse of their view on his presidency.