Smart Market farmers market, 10:30 a.m.-1:30 p.m. Sundays, Bristow Montessori School, parking lot, 9050 Devlin Rd., Bristow. Free. 703-468-1191.
Slave Life at Ben Lomond, tours and activities, including doll-making and cooking, depict how the enslaved community lived and worked for nearly 100 years before the Civil War. Tours begin on the hour. 11 a.m.-3 p.m., Ben Lomond Historic Site, 10321 Sudley Manor Dr., Manassas. $5; children 5 and younger, free. 703-367-7872.
Lucasville School open house, in celebration of African American Heritage Month. Noon to 4 p.m. Sunday, Lucasville School, 10516 Godwin Dr., Manassas. Free. 703-365-7895.
Author Robert Alton, a discussion of his book “Stratagem 1861: Early Civil War Tactics and the Battle for the Potomac” and the Battle for the Potomac. 2 p.m., Manassas Museum, 9101 Prince William St., Manassas. Free. 703-368-1873.
Voices of Tomorrow, the youth choir from First Baptist Church in Manassas performs a mix of gospel music and musical accompaniment in observance of Black History Month. Sponsored by the Manassas Museum. 2 p.m., Center for the Arts, 9419 Battle St. Free. 703-368-1873.
Matt Chodoronek paintings, an exhibit of abstract paintings by the Centreville artist. 9 a.m.-8 p.m. Monday-Wednesday, Northern Virginia Community College, 6901 Sudley Rd., Manassas. Free. 703-323-3000.
“A Palette of Paper,” collages by Megan Coyle. 10 a.m.-5 p.m. Mondays-Fridays, 1-5 p.m. Saturdays, through March 22, Center for the Arts, Caton Merchant Family Art Gallery, 9419 Battle St., Manassas. Free. 703-330-2787 or www.center-for-the-arts.org.
Random Reads book club, a discussion of “One True Thing” by Anna Quindlen. 1 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4530.
Cabin Branch Quilters Meeting, Diane Doran shares her quilting techniques, including digital imagery. 7 p.m., Lake Ridge Baptist Church, 12450 Clipper Dr., Lake Ridge. Free. 703-590-6058 or www.cabinbranchquilters.org.
Prince William Community Band, rehearsal, for musicians 19 and older, no auditions necessary. 7:30 p.m., Saunders Middle School, 13557 Spriggs Rd., Manassas. Free. 703-791-4119 or www.pwcb.org.
Woodbridge Community Choir, members rehearse for their spring concert season. No auditions required. Registration begins at 7 p.m., Rehearsal begins at 7:30 p.m., Lutheran Church of the Covenant, 15008 Cloverdale Ave., Dale City. $30 membership fee. 703-491-1820 or www.woodbridgecommunitychoir.org.
Financial Aid Super Saturday, includes financial aid workshops and one-on-one assistance with completing forms, sponsored by Stonewall Jackson High School and the Virginia Association of Student Financial Aid Administrators. 9 a.m.-noon, Stonewall Jackson Senior High School, 8820 Rixlew Lane, Manassas. Free. 703-365-2992 or www.vasfaa.org.
Genealogy and the 1940 U.S. Census, Tish Como provides tips on how to search the census, which will be released to the public soon. 7 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free, registration required. 703-792-4540.
Writers of children’s literature, new group members welcome to share their writings and offer encouragement and constructive criticism. 7 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4530.
NOVA Novel Book Club, participants discuss “Sunnyside” by Glen David Gold. 7:30 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.
AARP income-tax preparation help, for taxpayers 60 and older or those with low incomes. 9:30 a.m.-3 p.m. Wednesdays and Thursdays, through April 17, Woodbridge Senior Center, 13850 Church Hill Dr., Woodbridge. Free, appointments required. 703-494-5136.
English Conversation Club, new speakers of English practice their skills. 11 a.m. and 7 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.
Lenten Preaching series, a 25-minute service featuring local guest speakers followed by a lunch. 12:05 p.m. Wednesdays during Lent, Trinity Episcopal Church, 9325 West St., Manassas. Lunch, $6. 703-368-4231.
Spanish chat, bring lunch and practice speaking Spanish. Noon-2 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211.
Light Horse Harry Lee, author Michael Cecere discusses the Revolutionary War soldier. 1 p.m., Weems-Botts Annex, 3944 Cameron St., Dumfries. Free. 703-221-2218.
Manassas Symphony Orchestra, “A Musical Kaleidoscope” will highlight the orchestra’s brass, strings and wind sections performing “Music for Brass,” “Adagio for Strings,” and “Dixtuor: Allegrement.” 7:30 p.m., Hylton Performing Arts Center, 10960 George Mason Cir., Manassas. $15; educators, $12; seniors, $10; students and children, free. Tickets, 888-945-2468; information, 703-993-7759.
Teen book discussion, separate discussions for teens and adults led by professional counselors of Laurie Halse Anderson’s “Wintergirls,” a teen novel about eating disorders. 3 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4530.
Ballroom dancing, a lesson followed by music and dancing. 3:30-6 p.m., Candy Factory, Kellar Theater, 9419 Battle St., Manassas. Lesson and dance, $15; open dance, $10. 703-330-2787 or www.center-for-the-arts.org.
— Compiled by Sarah Lane