insert_link This Day in Founder's History This Day In Founding Fathers History – 14 September On this day in 1814, after witnessing the British attack on Fort McHenry, Francis Scott Key wrote a poem, “Defence of Fort McHenry,” which later was paired with the tune of a popular British song and named “The Star-Spangled Banner.” Find out what else happened on This Day in Founder's History at mikechurch.com todaySeptember 14, 2014 1