The document discusses the history and symbolism of the American flag. It describes how Betsy Ross sewed the first American flag on commission from George Washington. It also discusses how the flag has been used to mark important moments in US history, such as victories in battles and astronauts walking on the moon. After 9/11, displaying the American flag became more common again as a symbol of patriotism and national unity. Proper lighting is important to maintain respect when displaying the flag at all hours.