Royal Artillery firing cannon on Yorktown Battlefield. Come watch a series of cannon demonstrations behind the Colonial National Historical Park Visitor Center. June 1 Royal Artillery 10:15 am; 11:15 am; 12:15 pm; 1:15 p June 9 Lamb’s Artillery 12:45 pm; 1:45 pm 2:45 pm July 14 Lamb’s Artillery 12:45 pm; 1:45 pm 2:45 pm July 27 Royal Artillery 10:15 am; 11:15 am; 12:15 pm; 1:15 pm August 17 Royal Artillery 10:15 am; 11:15 am; 12:15 pm; 1:15 pm August 25 Lamb’s Artillery 12:45 pm; 1:45 pm 2:45 pm Sept 7 Royal Artillery 10:15 am; 11:15 am; 12:15 pm; 1:15 pm Sept 8 Royal Artillery 10:15 am; 11:15 am; 12:15 pm; 1:15 pm Sept 15 Lamb’s Artillery 12:45 pm; 1:45 pm 2:45 pm Oct 20 Lamb’s Artillery 12:45 pm; 1:45 pm 2:45 pm Oct 26 Royal Artillery 10:15 am; 11:15 am; 12:15 pm; 1:15 pm Nov 2 Royal Artillery 10:15 am; 11:15 am; 12:15 pm; 1:15 pm Nov 3 Lamb’s Artillery 12:45 pm; 1:45 pm 2:45 pm Programs may be subject to cancellation due to weather or other circumstances.