Joe Biden becomes 46th US president: The day in photosPublished21 January 2021Image source, EPAImage caption, After vowing to uphold and defend the Constitution of the United States, Joe Biden has officially been sworn in as the 46th US president. He took the oath of office on a Bible that has been in his family since 1893Image source, EPAImage caption, Kamala Harris is sworn in as vice-president as her husband Doug Emhoff holds the Bible. She is the first woman, as well as the first black and South Asian American, to serve as US vice-presidentImage source, EPAImage caption, Pop superstar Lady Gaga sings the American National Anthem at the event. Singers Jennifer Lopez and Garth Crooks also performed during the ceremonyImage source, ReutersImage caption, President-elect Joe Biden (far right), his wife Jill Biden, Vice President-elect Kamala Harris (second from left) and her husband Doug Emhoff salute as they arrive ahead of the US inauguration ceremony in WashingtonImage source, Getty ImagesImage caption, Joe Biden and his Vice-President Kamala Harris fist bump after they are sworn inImage source, Getty ImagesImage caption, After the inauguration ceremony. the Bidens and the Harris family took part in a parade lead by marching bands. They walked from the Capitol building, where they swore their oaths, and the White House.Image source, EPAImage caption, On arrival at the White House, Joe Biden and first Lady Jill Biden waved to the media and to supporters from the steps of the President's traditional home.Image source, Getty ImagesImage caption, Mr Biden got to work straight away making changes to some of Mr Trump's policies. He sat at the famous desk in the Oval Office of the White House, the President's place of work.Image source, Getty ImagesImage caption, Later in the evening there were firework displays all over the US capital, Washington DC's most famous buildings including the White House itself.More on this storyAll you need to know about Joe Biden's inaugurationPublished20 January 2021Joe Biden: President of a divided United StatesPublished20 January 2021How will Joe Biden's inauguration be different to usual?Published20 January 2021