Today

• 8:30 a.m. to 5 p.m. — 4th Annual Holt Collier Sacred Harp Singing in the Courtroom at the Old Court House Museum. Free.

• 9 a.m. to 4 p.m. — “Military Through The Ages” at the Vicksburg National Military Park visitor’s center. Staff and volunteers dressed in uniforms from conflicts from the Revolutionary War to the Vietnam War. Park admission charged.

Sunday

• Noon to 4 p.m. — 4th Annual Holt Collier Sacred Harp Singing in the Courtroom at the Old Court House Museum. Free.

• 9 a.m. to 3 p.m. — “Military Through The Ages” at the military park. Park admission charged.

Monday

• 10 a.m. — The Parade of Veterans along Washington Street. Free.

• 11 a.m. — Memorial service at the Vicksburg Auditorium, featuring keynote speaker Col. William C. Schneck, Deputy Chief of Staff, Strategic Plans, 412th Engineer Command. Free.

• 12:30 p.m. — Wreath-laying ceremony at the National Cemetery in the Vicksburg National Military Park, with a motorcade to the cemetery by way of Fort Hill Drive.

• 7 p.m. — American Wind Symphony Orchestra concert at City Front. Free. Bring lawn chairs.

• 8 p.m. — Before You Exit concert at Vicksburg Convention Center. Sponsored by Miss Mississippi’s Outstanding Teen pageant and benefits Children’s Miracle Network; $10 in advance at Crown to Heels, Michel’s Music, Paper Factory and Outlets at Vicksburg; $12 at door.