US President Joe Biden withdrew from his re-election campaign and endorsed Kamala Harris as his preferred successor.
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The US Capitol is attacked.
Obama surprised Biden with the Presidential Medal of Freedom during a White House ceremony.
US President Joe Biden announced that Americans no longer needed to wear masks against COVID-19, following guidance released by the CDC.
Joe Biden and his wife, Jill, founded the 'Biden Foundation.'
US President Joe Biden signed an executive order to guide the use of AI within federal agencies.
