The president said Democrats were "all 'giddy' about our magnificent American Flag potentially being at 'half mast' during my Inauguration."

Some U.S. state flags were ordered to be raised during Donald Trump's swearing-in, while others will remain at half-staff for the late Jimmy Carter.

Several state governors have ordered flags to be flown at full-staff on Inauguration Day, raising flags before the end of the mourning period for Jimmy Carter.