Tributes will be visible nationwide on one of the few occasions when the entire country observes a shared federal tradition.

It's red, white and blue—and a proud symbol of African American history. Meet the Juneteenth flag.

There are five designated days when the U.S. flag is flown at half-staff throughout the United States. The president and Florida's governor also can order flags to be flown at half-staff. There are ...

While some local directives are tied to individual losses, nationwide observances carry broader significance.