Sunday 12

FLAG DAY CEREMONY, sponsored by Manassas Elks Lodge 2512. 3 p.m., Nelson Park, Grant Avenue and Sudley Road, Manassas. Free. 703-361-6807.

FARMERS MARKET, 8 a.m.-1 p.m., Dale Boulevard and Minnieville Road, in the commuter parking lot behind Center Plaza, Dale City. 703-670-7112, Ext. 223.

ALCOHOLICS ANONYMOUS, 2-3 p.m., Conference Room 2/3, Potomac Hospital, 2300 Opitz Blvd., Woodbridge. 703-445-0777.

Monday 13

MYSTERY BOOK CLUB, "Brat Farrar," by Josephine Tey. 7 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4500.

Tuesday 14

GARDENING HELP, a master gardener volunteer will answer planting questions; sponsored by the Prince William County Extension Office. 6:30-8:30 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-7747.

DIABETES SUPPORT GROUP, for patients and family members, sponsored by Potomac Hospital. 7 p.m., Conference Room 2/3, Potomac Hospital, 2300 Opitz Blvd., Woodbridge. 703-670-1767.

BLOOD DRIVE, sponsored by the American Red Cross Prince William Chapter. 2-8 p.m., Dale City Fire Station 13, 13511 Hillendale Dr., Dale City. 703-368-4511.

BASIC EXCEL CLASS, 7 p.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge. $10 fee refunded upon completion of class; registration required. 703-494-8126

COMPUTER CLASS, basic instruction. 9 a.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge. Free; registration required. 703-494-8126.

ALZHEIMER'S CAREGIVER SUPPORT, 7 p.m., Woodbridge Senior Center, 13850 Church Hill Dr., Woodbridge. 703-792-7328, www.alz-nca.org.

SPANISH CONVERSATION CLUB, noon-2 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4500.

ENGLISH CONVERSATION CLUB, 10:30 a.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4500.

PRINCE WILLIAM CHESS CLUB, 7-9 p.m., Game Parlor, 14400 Smoketown Rd., Woodbridge. 703-670-5887.

BULL RUN TROUBADOURS, 7:30 p.m., Trinity Episcopal Church, Battle and Church streets, Manassas. 703-743-5867. www.brtva.org.

Wednesday 15

BREAST CANCER SUPPORT GROUP, for patients and family members, sponsored by Potomac Hospital. 7 p.m., Conference Room 2/3, Potomac Hospital, 2300 Opitz Blvd., Woodbridge. 703-221-2500.

NATIONAL ACTIVE AND RETIRED FEDERAL EMPLOYEES, Chapter 356. Lunch at 11:30 a.m.; meeting at 12:30 p.m. Old Country Buffet, 8121 Sudley Rd., Manassas. 540-368-0246.

PARENTING CLASSES, to help families understand anger in the home. Sponsored by the Prince William Cooperative Extension Service. 7-9 p.m. today, June 22 and 29, McCoart Administration Building, 1 County Complex Ct., Woodbridge. $40; registration required. 703-792-6288.

LIFELONG LEARNING INSTITUTE FUN DAY, with music, ice cream and door prize. 1 p.m., Colgan Theater, Northern Virginia Community College, 6901 Sudley Rd., Manassas. 703-257-6634, www.lli-manassas.org.

TAKE OFF POUNDS SENSIBLY, weight-loss support group, 9-11 a.m., Prince William Senior Center, 13850 Church Hill Dr., Woodbridge. Free. 703-494-2692.

WRITERS GROUP, 7:30 p.m., Borders Books & Music, 2904 Prince William Pkwy., Woodbridge. 703-897-8100.

TOASTMASTERS INTERNATIONAL, Lake Ridge Club 8913. 7:30 p.m., Tall Oaks Community Center, 12399 Hedges Run Dr., Lake Ridge. 703-494-5530.

STORY TIME, for children ages 3-7 with a caregiver. 4 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free; registration required. 703-792-4800.

Thursday 16

MYSTERY BOOK CLUB, "The Last Kashmiri Rose," by Barbara Cleverly. 7 p.m., Potomac Community Library, 2201 Opitz Blvd Woodbridge. 703-494-8126.

WIDOW AND WIDOWERS SUPPORT GROUP, for people 55 and younger, sponsored by Potomac Hospital. 7:30-9 p.m., Potomac Hospital, 2300 Opitz Blvd., Woodbridge. 703-670-1722.

MANASSAS-WARRENTON CAMERA CLUB, 7:30 p.m., Manassas City Hall Council Chambers, first floor, 9027 Center St., Manassas. 540-439-0566, www.mwcc-photo.org.

OLD TOWN BUSINESS ASSOCIATION, 8 a.m., Manassas Museum, 9101 Prince William St., Manassas. 703-257-7895.

AMERICAN BUSINESS WOMEN'S ASSOCIATION, 11:30 a.m.-1 p.m., 2233 Tackett's Mill Dr., Woodbridge. $14 members; $19 nonmembers. 703-492-4144.

ALZHEIMER'S CAREGIVER SUPPORT, 7:30 p.m., Caton Merchant House, 9201 Portner Ave., Manassas. 703-792-4034, www.alz-nca.org.

CANCER SUPPORT, for patients and family members, sponsored by Potomac Hospital. 7 p.m., Potomac

BEREAVEMENT SUPPORT GROUP, 7 p.m., Bethel Evangelical Lutheran Church, 8712 Plantation Lane, Manassas. 703-368-9800.

FARMERS MARKET, 7 a.m.-1 p.m., Church Street, next to the fire station in Old Town Manassas. 703-361-6599.

FAMILIES ANONYMOUS, for parents of children with substance abuse problems. 8:30 p.m., old Marsteller School building, Room 24, 8730 Sudley Rd., Manassas. 703-530-8973, www.familiesanonymousva.com.

Friday 17

BLOOD DRIVE, sponsored by the American Red Cross Prince William Chapter. American Legion Post 10, 9950 Cockrell Rd., Manassas. 703-368-4511.

LUPUS SUPPORT GROUP, sponsored by Potomac Hospital. 7 p.m., Potomac Hospital, Conference Room 2/3, 2300 Opitz Blvd., Woodbridge. 703-497-8339.

ALCOHOL RECOVERY MEETING, Back Door Friends, 10 a.m.-noon, River Woods Community Center, 16573 Nanticoke Rd., Woodbridge. 703-221-5513.

Saturday 18

SCIENCE FICTION BOOK CLUB, "City," by Clifford D. Simak. 2:30 p.m., Central Community Library, 8601 Ashton Ave., Manassas. 703-361-8211.

WRITERS GROUP, 2 p.m., Potomac Community Library, 2201 Opitz Blvd Woodbridge. 703-494-8126.

FARMERS MARKETS, 7 a.m.-2:30 p.m., Church Street, next to the fire station in Old Town Manassas, 703-361-6599. 8 a.m.-2 p.m., 15025 Washington St., Haymarket Museum parking lot, Haymarket, 703-754-4816.

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