usa.gov

vPN7K TIL the colors of the American flag have a specific meaning: Red symbolises valor and bravery, White symbolises purity and innocence and Blue symbolises vigilance, perseverance and justice.
grEWL TIL that English is not the official language of the United States since it doesn’t have one, but it’s the most widely used. Some of the most widely spoken languages other than English are Spanish, Chinese, Tagalog, Vietnamese, and Arabic.
LQpv9 TIL: in the USA, only the president, a state governor, or the mayor of the D.C. can order flags to fly at half-staff. Reasons for flying at half staff are: The death of a government official, military member, or first responder, A national tragedy, Memorial Day or another national day of remembrance