After a bombardment of Tripoli, a landing party with Lt. O'Bannon of the Marines in command hauled down the Tripolitan flag and hoisted Old Glory for the first time over a fort in the old world. April 27, 1805. Copy of artwork by Capolino. Depitcs storming of Derna (Tripoli) during the Tripolitan War between the United States and the Barbary States. O'Bannon's actions were commemorated in a stanza of the Marine Corps hymn.