Obama surprised Biden with the Presidential Medal of Freedom during a White House ceremony.
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President Lyndon Johnson had his first day in office after becoming the 36th president of the United States.
A drone crashed onto the White House lawn.
US President Joe Biden made Juneteenth a federal holiday.
The first telephone was installed in the telegraph room in the White House, thanks to President Rutherford B. Hayes.
US President Herbert Hoover installed the White House's first telephone.
