On the C-SPAN Networks: National Geospatial-Intelligence Agency has hosted 1 event in the C-SPAN Video Library; the first program was a 2010 Ceremony. Recent Programs. August 9, 2010 ...

The event was first observed in the late 1800s by schoolteachers around the U.S., according to the National Constitution Center, and in May 1916, President Woodrow Wilson declared June 14 Flag Day.