Monday 3 CROHN'S AND COLITIS SUPPORT, for patients and family members, sponsored by Potomac Hospital. 7 p.m., Potomac Center (next to the hospital), Suite 320, 2296 Opitz Blvd., Woodbridge. 703-221-2500.

PRINCE WILLIAM PURLERS KNITTING GUILD, 7-9 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. 703-491-8619.

Tuesday 4 BULL RUN TROUBADOURS, 7:30 p.m., Trinity Episcopal Church, Battle and Church streets, Manassas. 703-753-2249.

LIBRARY STORY TIME, sponsored by the Prince William Public Library System. For preschool groups of five or more children and their day-care providers, 10:30 a.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge, 703-494-8126; for children 2-3, 10:30 and 11 a.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas, 703-792-4500; for children 3-6, 10:30 a.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge, 703-792-4800. Free; registration requested.

SPRING PLANTING, prepare for vegetable planting; sponsored by the Prince William Cooperative Extension Service. 7-8:30 p.m., McCoy Conference Room, Sudley North Government Building, 7987 Ashton Ave., Manassas. Free; registration required. 703-792-6285.

Wednesday 5 PRINCE WILLIAM CHESS CLUB, 7-9 p.m., Borders Books & Music, 2904 Prince William Pkwy., Woodbridge. 703-670-5887.

PRINCE WILLIAM ARTS COUNCIL MEETING, 7 p.m., Prince William County Park Authority Headquarters, 14420 Bristow Rd., Manassas. 703-792-4234.

MANASSAS COMMUNITY TOASTMASTERS CLUB, 7:30 p.m., the Fairmont, 9852 Fairmont Ave., Manassas. 703-330-4542.

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

LIBRARY STORY TIME, sponsored by the Prince William Public Library System. For children 2-3, 10:30 a.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge, 703-494-8126; for children 2-5, 10:30 a.m., Central Community Library, 8601 Mathis Ave., Manassas, 703-361-8211; for children 3-6, 4 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas, 703-792-4500; for children 3-8, 4 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge, 703-792-4800. Free; registration requested.

TOASTMASTERS INTERNATIONAL, Lake Ridge Club No. 8913. 7:30 p.m., Tall Oaks Community Center, 12399 Hedges Run Dr., Lake Ridge. 703-494-5530.

Thursday 6 LIBRARY STORY TIME, sponsored by the Prince William Public Library System. For children 4-6, 10:30 a.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas, 703-792-4500; for children of all ages, 10:30 a.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge, 703-792-4500; for children 6-12, 3 p.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge, 703-792-4500. Free; registration requested.

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. 703-670-1249.

LA LECHE LEAGUE, 7:30 p.m., First United Presbyterian Church, Minnieville Road and Cardinal Drive, Woodbridge. 703-590-4181.

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

PARENTING CLASSES, for those with teenagers, sponsored by the Prince William Cooperative Extension Service. 7-9 p.m. Thursdays through March 13, Ferlazzo Building, 15941 Donald Curtis Dr., Woodbridge $35; registration required. 703-792-6288.

CRAFT PROGRAM, for families, sponsored by the Prince William Public Library System. 7 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free; registration required. 703-792-4500.

Friday 7 LIBRARY MOVIES, for children 3-7, sponsored by the Prince William Public Library System. 10:30 a.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.

BACK DOOR FRIENDS, noon, River Woods Community Center, 16573 Nanticoke Rd., Woodbridge. 703-221-5513.

BLACK HISTORY CELEBRATION, music, dance, poetry and refreshments, sponsored by the Creative and Performing Arts Center of Prince William County. 5 p.m., Ferlazzo Building, 15941 Donald Curtis Dr., Woodbridge. Free. 703-792-7972.

Saturday 8 SPAGHETTI DINNER, sponsored by Boy Scout Troop 671. 4:30-7:30 p.m., Nokesville United Methodist Church, 12550 Aden Rd., Nokesville. $5, $3 children ten and younger. 703-754-8612.

BLACK HISTORY CELEBRATION, with the KanKouran West African Dance Company, sponsored by the Prince William Library System. 2 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. 703-792-4800.

CHERRY JUBILEE, in celebration of George Washington and the cherry tree story, sponsored by Historic Dumfries Inc. and the Town of Dumfries. 11 a.m.-3 p.m., Dumfries Community and Cultural Arts Building, adjacent to the Dumfries Town Hall, 101 S. Main St. 703-221-2218.

INCOME TAX ASSISTANCE, through April 12, provided by Volunteer Income Tax Assistance (VITA); sponsored by the Prince William Library System. 10 a.m.-2 p.m. Saturdays, Bull Run Regional Library, 8051 Ashton Ave., Manassas; 10 a.m.-2 p.m. Saturdays and 6-8 p.m. Tuesdays, Potomac Community Library, 2201 Opitz Blvd., Woodbridge. 703-792-4500 and 703-494-8126.

BLACK HISTORY PROGRAM, with Baba Jamal Koram, an author, educator and storyteller; sponsored by the Prince William Library System. 11 a.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas; 2:30 p.m., Central Community Library, 8601 Mathis Ave., Manassas, 703-361-8211. Free; registration requested. 703-792-4500.

NATURE WORKSHOP, make a gourd birdhouse; sponsored by Friends of Bull Run. 10 a.m.-noon, Bull Run Mountain House, 17405 Beverly Mill Dr., Broad Run. Members $15, non-members $20; reservations required. 703-753-2631.

DADDY-DAUGHTER VALENTINE DANCE, for fathers and their daughters 4 and older, sponsored by the Prince William Park Authority. 7-8:30 p.m., Dale City Recreation Center, 14300 Minnieville Rd., Dale City. $10 per couple; registration required. 703-670-7112.

RECOVERY INC., for people experiencing anxiety, depression, fear and other emotional problems. 10 a.m.-noon Saturdays, Cokesbury United Methodist Church, 14804 Blackburn Rd., Woodbridge. 703-490-5423.

NATURE JOURNAL, explore the park and record your findings; sponsored by the National Park Service. 2-4 p.m., Visitor Center, Prince William Forest Park, Park Entrance Road, Triangle. Free; reservations required. 703-221-7181.

-- Compiled by Camille Ross

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