BOWIE: 10 a.m.-4 p.m. Saturday. At the Belair Mansion, members of the Atlantic Guard Soldiers' Aid Society demonstrate everyday household tasks as they were performed by the mansion's owners during the Civil War; sponsored by the City of Bowie Museums. Free. 301-809-3089.

SHARPSBURG, MD.: 10:30 a.m., 2 p.m. and 4 p.m. Saturday. 10:30 a.m. and 2 p.m. Sunday. At Antietam National Battlefield, the Technology of War weekend with the Berdan's Sharpshooters and the 6th New Hampshire Infantry performing tactical firing demonstrations. Free. 301-432-5124.

SHARPSBURG, MD.: 11 a.m.-3 p.m. Saturday and Sunday. At Antietam National Battlefield, the National Museum of Civil War Medicine demonstrates Confederate surgical practices. Fee charged. 301-695-1864.

RICHMOND: 9 a.m.-5 p.m. Aug. 20, 9 a.m.-3 p.m. Aug. 21. At the Showplace, the National Civil War and Antique Arms Show, sponsored by North South Trader's Civil War magazine. Fee charged. 540-672-4845.

WASHINGTON: 11 a.m. Aug. 20. Participants meet at 10th and E streets NW for a Civil War tour of Washington with guide Natalie Zanin. No reservations needed. Fee charged. 301-588-9255.

MANASSAS: 7:30 a.m. Aug. 27. At the Manassas Museum, the Stonewall Jackson 5K Run and Walk. Fee charged. 703-368-1873.

SHARPSBURG, MD.: 11 a.m., 2 p.m. and 4 p.m. Aug. 27, 11 a.m. and 2 p.m. Aug. 28. At Antietam National Battlefield, Confederate Artillery Weekend with artillery firing demonstrations on an actual Confederate artillery position. Free. 301-432-5124.

MANASSAS: Aug. 29 and 30. At Manassas Battlefield National Park, a weekend tour of the Battle of Second Manassas with Ed Bearss, National Park Service chief historian emeritus, sponsored by the Friends of the Manassas Battlefield National Park. Fee charged. 703-670-3277.