Chief Supreme Court Justice John Roberts administered the oath.
The president was sworn in amid unprecedented circumstances, standing before a virtually empty National Mall due to security concerns stemming from the breach of the U.S. Capitol two weeks earlier.
Biden, 78, succeeds President Donald Trump, who skipped the inauguration. Vice President Mike Pence attended the ceremony alongside former Presidents Barack Obama, George Bush, and Bill Clinton.
“We’ll press forward with speed and urgency for we have much to do in this winter of peril and significant possibilities, much to repair, much to restore, much to heal, much to build, and much to gain,” the president said after taking the oath.
After addressing the pandemic of the CCP (Chinese Communist Party) virus, commonly known as the novel coronavirus, Biden touched on his other priorities: racism, the climate, domestic terrorism and white supremacy. He then called for unity.