The annual Rotary Club of Columbia County yard sale will be held 7 a.m. to 1 p.m. Saturday at the Columbia County Fairgrounds on Columbia Road. For vendor spaces, call Connie Redmond at (706) 863-5500. Admission is free; parking costs $2.
The ensemble Rivien will perform in concert at 3 p.m. Sunday at St. Andrew Presbyterian Church, 3551 Wheeler Road, Augusta. Tickets cost $10 and are available by calling (706) 736-4575.
Retired Maj. Gen. Jan Hicks will be the speaker for the monthly meeting of the Augusta Chapter of the Military Order of the World Wars, 12:30 p.m. Sunday at Teresa’s Mexican Restaurant, 36708 Brainard Ave., Fort Gordon. For more, email email@example.com.
Marvin United Methodist Church, on Wheeler Road at South Belair Road, is holding a prayer class for elementary-age children from 10-10:50 a.m. each Sunday during May in Room 213, with parents meeting in Room 209. For information, call Mary Edith Kirkland at (706) 830-7950.
The Garden City Chorus is recruiting male singers for a 110-man show in September. Rehearsals are held each Tuesday at the Church of Christ, 600 W. Martintown Road, North Augusta. For information, call (803) 279-4198.
CSRA Writers will meet at 7 p.m. Monday at Georgia Military College, 115 Davis Road. For information, call Steve Fox at (706) 836-7315.