Lest We Forget: A Conference on Enslavement and Emancipation, the significance of the Emancipation Proclamation is examined with roundtable discussions, keynote speakers and historical reenactors. Bus tours of local historic sites available at additional cost. Thursday-Saturday, Hylton Memorial Chapel, 14640 Potomac Mills Rd., Woodbridge. Free, registration recommended. 703-385-2723 or www.manassasbullrun.com.
“Weapons Platoon: A Marine’s Life in Afghanistan,” photographs by Stephen Dupont, who was embedded with a Marine platoon in 2009. 9 a.m.-5 p.m. daily, National Museum of the Marine Corps, 18900 Jefferson Davis Hwy., Triangle. 877-635-1775.
“Rayhart,” an acrylic exhibit exploring the rhythm of music and figurative themes. 10 a.m.-5 p.m. Mondays-Fridays, 1-5 p.m. Saturdays, through March 16, Center for the Arts, Caton Merchant Family Art Gallery, 9419 Battle St., Manassas. 703-330-2787 or www.center-for-the-arts.org.
Baldwin Elementary School exhibit, an exhibit featuring “paper people” decorated by Baldwin first-graders honoring the 225th anniversary of the Constitution. 10 a.m.-5 p.m. Thursday-Sunday, Tuesday-Feb. 28, Manassas Museum, 9101 Prince William St., Manassas. $5; seniors and children, $4; Baldwin students and their families, free. 703-368-1873.
“Inside the Minds of Abraham Lincoln and Frederick Douglass,” 11 a.m., Hylton Performing Arts Center, 10960 George Mason Cir., Manassas. Free. 703-963-4015.
American Business Women’s Association meeting, a presentation by financial planner Jocinta Powell on Social Security. 11:30 a.m., Stratford University, 14349 Gideon Dr., Woodbridge. Lunch, $15. 703-986-0205.
AARP income tax preparation help, for seniors and low- to moderate-income taxpayers, with trained volunteers. Noon Thursday, 10 a.m.-4 p.m. Saturday, 9 a.m. Monday, Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4530.
Spanish chat, bring lunch and practice speaking Spanish. Noon-2 p.m., Central Community Library, 8601 Mathis Ave., Manassas. 703-361-8211.
“Washington and Rochambeau’s Path to Destiny,” a living history account of Washington’s trek along King’s Highway in 1781, sponsored by the Prince William County Historic Preservation Division. 7 p.m., Dr. A.J. Ferlazzo Building, 15941 Donald Curtis Dr., Woodbridge. Free. 703-792-4754.
Third Thursday Thrillers book group, this month’s book is “The Last Kashmiri Rose” by Barbara Cleverly. 7 p.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge. 703-494-8126.
Write by the Rails, after a brief business meeting of the Prince William chapter of the Virginia Writers Club, author Ressurrection Graves will speak. 7 p.m., Trinity Episcopal Church, 9325 West St., Manassas. Free. 703-368-4231.
AARP income tax preparation help, for taxpayers 60 and older or those with low incomes. 9:30 a.m.-3 p.m. Mondays and Fridays, through April 15, Woodbridge Senior Center, 13850 Church Hill Dr., Woodbridge. Free, appointments required. 703-792-5082.
Basic gardening, taught by Virginia Cooperative Extension master gardeners, topics include successful gardening with clay soil, sustainable organic vegetable gardening, flower gardening from seeds and caring for your trees. 8:30 a.m.-3:30 p.m., Manassas Park Parks and Recreation Community Center, 99 Adams St., Manassas Park. $20, registration required. 703-792-7747.
Artifact Road Show, bring your miliary and historic relics for curators and historians to examine. 10 a.m.-2 p.m., National Museum of the Marine Corps, 18900 Jefferson Davis Hwy., Triangle. Free. 703-784-6107.
Home seller seminar, presented by real estate broker Bob Hummer. 10 a.m.-1 p.m., Strayer University, 13385 Minnieville Rd., Woodbridge. Free. 703-878-4866 or www.military-realestate.com.
Manassas farmers market, 10 a.m. Saturdays, Parking Lot B, West Street (next to the train station visitors center). 703-361-6599 or www.visitmanassas.org.
Children’s multicultural book club, for children 3 and older with a parent or guardian. 1-2:30 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.
Old Bridge Chamber Orchestra, the small ensemble series features the string quartet with guest conductor Stephen Czarkowski and the percussion ensemble of the Youth Orchestras of Prince William. 7:30 p.m., Good Shepherd Lutheran Church, 15695 Blackburn Rd., Woodbridge. $5; 18 and younger, free. 703-927-3999 or www.obco.org.
George Mason Symphony Orchestra, 8 p.m., Hylton Performing Arts Center, 10960 George Mason Cir., Manassas. $10, students and seniors $5. 703-993-7759.
Children’s Day at Weems-Botts, learn about African American history from the Colonial time period to the Civil War, 1-3 p.m., Weems-Botts Museum, 3944 Cameron St., Dumfries. Free, reservations recommended. 703-221-2218.
Author talk, John Muller discusses his new book, “Frederick Douglass in Washington, D.C., the Lion of Anacostia.” 2 p.m., Manassas Museum, 9101 Prince William St., Manassas. Free. 703-368-1873.
Too Human concert, Ellen Schwartz and Roger Bruno perform blues, jazz and pop music. 2 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free, registration required. 703-792-4530.
Swingin’ With the Strings, New Dominion Choraliers and the American Balalaika Symphony perform music from the ’50s, ’60s and ’70s. 2:30 p.m., Hylton Performing Arts Center, 10960 George Mason Cir., Manassas. $20, seniors and students $15, age 5-13 $5, 4 and younger free. 703-993-7759.
American Youth Philharmonic Orchestra, a performance of Sibelius’s Karelia Suite and Symphony No. 5 and Bartok’s Concerto for Viola and Orchestra, with violinist Tsuna Sakamoto. 8 p.m., Hylton Performing Arts Center, 10960 George Mason Cir., Manassas. $15, seniors and students $10, 5 and younger free. 703-993-7759.
Brit Lit book club, a discussion of “The White Queen” by Philippa Gregory. 1 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. 703-792-4800.
Random Reads book club, a discussion of “The Snow Child” by Eowyn Ivey. 1 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. 703-792-4530.
Author talk, poet Sonia Sanchez, a finalist for the National Book Critics Circle award, will discuss her writing. 5-7 p.m., Northern Virginia Community College, 6901 Sudley Rd., Manassas. Free. 703-323-3000.
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 the spring concert season. No auditions required. Registration, 7 p.m.; rehearsal, 7:30 p.m., Lutheran Church of the Covenant, 15008 Cloverdale Ave., Dale City. $30 membership fee. 703-491-1820 or www.woodbridgecommunitychoir.org.
Zonta International dinner, a presentation by a representative from the St. Margaret of Cortona Transitional Housing program. 6:30 p.m. Montclair Country Club, 16500 Edgewood Dr., Montclair. $20. 703-405-3548 or firstname.lastname@example.org.
Prince William Chorale, new members welcome. 7-8:30 p.m. Tuesdays, New Hope Christian Church, 8310 Plantation Lane, Manassas. Free. 703-732-0128 or www.pwchorale.webs.com.
Writers of children’s literature, 7 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. 703-792-4530.
NOVA Novel Book Club, participants discuss “Case Histories” by Kate Atkinson. Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. 703-792-4800.
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. 703-792-4800.
Lake Ridge Toastmasters Club, an open house for Lake Ridge Club 8913. 7:30 p.m., Tall Oaks Community Center, 12298 Cotton Mill Dr. $62 membership fee. 703-491-3020.
Jennie Dean lecture, Marion Dobbins discusses the accomplishments of the founder of the Manassas Industrial School for Colored Youth. 7 p.m., Old Manassas Courthouse, 9248 Lee Ave. Free. 703-792-4754.
Thomas Jefferson Toastmasters Club, regular meeting. 7:30 p.m., Good Shepherd United Methodist Church, 14999 Birchdale Ave., Dale City. $66 annual dues. 703-590-2926.
Toastmasters International, Woodbridge club. 7:30 p.m., Ebenezer Baptist Church, 13020 Telegraph Rd., Woodbridge. $39 membership fee. 703-731-2120.
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