Today

• Vicksburg National Military Park Holiday Open House — 1-4 p.m. at the Shirley House; park entrance fee waived for open house participants.

• Christmas in Port Gibson — 2-6 p.m.; $20 for one-day pass for tour of homes, $30 for two days; 601-437-5103.

• Warren Central Madrigals Singe Feaste — 7 p.m. at Southern Cultural Heritage Center; $25 for dinner theater; 601-631-2916

• “It’s a Wonderful Life” — 7:30 p.m. at Vicksburg Theatre Guild’s Parkside Playhouse, 101 Iowa Ave.; $12 for adults, $10 for seniors 55 and older, $7 for students 13 and older and $5 for children 12 and younger; 601-636-0471 or www.vicksburgtheatreguild.com.

• Confederate Christmas Ball — 7:30-9 p.m. at Old Court House Museum; period costumes encouraged; $25; 601-646-0741.