Fun Fact: On September 14, 1814, Francis Scott Key pens “The Star-Spangled Banner” as he witnesses the bombardment of Fort McHenry during the War of 1812; it later becomes the U.S. national anthem.by johnataylor on TwosFun Fact: On September 14, 1814, Francis Scott Key pens “The Star-Spangled Banner” as he witnesses the bombardment of Fort McHenry during the War of 1812; it later becomes the U.S. national anthem.