<P> Map 4: Situation at 10: 30 - 11: 00 (July 21, 1861) </P> <Li> <P> Map 5: Situation at 11: 00 - 11: 30 (July 21, 1861) </P> </Li> <P> Map 5: Situation at 11: 00 - 11: 30 (July 21, 1861) </P> <Li> <P> Map 6: Situation at 12: 00 - 12: 30 (July 21, 1861) </P> </Li>

When did the battle of bull run take place