In 1939 President Franklin Delano Roosevelt issued a proclamation which designated the anniversary of Orville Wright's birthday to be National Aviation Day. The proclamation was codified (USC 36:I:A:1:118), and it allows the sitting US President to proclaim August 19 as National Aviation Day each year, if desired. Their proclamation may direct all federal buildings and installations to fly the US flag on that day, and may encourage citizens to observe the day with activities that promote interest in aviation.
I celebrated National Aviation day by making a short flying video
with some of our photos put to the 1960's reading of the Air Force poem "High Flight". Then flew around the North Florida area and watched a flight of 2 A-10's fly under me as I was northbound between Ocala and Gainsville, FL. I got in the pattern at KFIN with a beautiful yellow RV6 doing touch-n-Go's before landing there for lunch at the airport restaurant. Heading home I got to fly over St. Augustine and circle over the Castillo San Marcos National Monument before landing.
Additionally, it is my birthday so overall a great day of "aviating" for me.