Manassas farmers market, 7:30 a.m.-1 p.m. Thursday, Loy E. Harris Pavilion, 9201 Center St., and 7:30 a.m.-1 p.m. Saturday, Parking Lot B, West Street (next to the train station visitors center). 703-361-6599 or www.visitmanassas.org.
“Spring Is in the Air II,” watercolors by artist Karin Sebolka. 11 a.m.-4 p.m. Tuesdays-Fridays, 11 a.m.-5 p.m. Saturdays and noon-5 p.m. Sundays, through June 1, Loft Gallery, 313 Mill St., Occoquan. Free. 703-490-1117.
“Collaborative Printmakers,” photographer Erwin Thamm is co-founder of the GMU Printmakers Guild and Patrick Sargent began printmaking in 2002. 10 a.m.-5 p.m. Mondays-Fridays, 1-5 p.m. Saturdays, through June 5, Center for the Arts, Caton Merchant Family Gallery, 9419 Battle St., Manassas. Free. 703-330-2787 or www.center-for-the-arts.org.
“Intersections of Art and Life,” the exhibit features works from William Woodward’s “Seven Deadly Sin Series” and still-life paintings by Becky Parrish. 10 a.m.-8 p.m. Thursdays, 10 a.m.-6 p.m. Fridays-Saturdays, Tuesdays-Wednesdays, through May 24, Hylton Performing Arts Center, 10960 George Mason Cir., Manassas. Free. 703-993-7759.
American Business Women’s Association meeting, includes a presentation by Missy Tuttle on disaster preparedness. 11:30 a.m., Stratford University, 14349 Gideon Dr., Woodbridge. Lunch, $20. 571-357-4022.
Spanish chat, bring lunch and practice speaking Spanish. Noon-2 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211.
Mystery Movie series, “The Unknown.” Bring a covered beverage. Popcorn provided. 7 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4530.
“South Pacific,” Castaways Repertory Theatre presents Rodgers and Hammerstein’s musical. 8 p.m. Thursday-Saturday, 1 p.m. Sunday, Dr. A.J. Ferlazzo Building, 15941 Donald Curtis Dr., Woodbridge. $16; seniors, students, military and county employees, $12; children 12 and younger, $8. 703-232-1710 or www.castawaystheatre.org.
Business Women of Prince William County, a monthly networking meeting featuring roundtable introductions, a brief program and a raffle. 11:30 a.m.-1 p.m., Giorgio’s Family Restaurant, 4394 Kevin Walker Dr., Montclair. Admission, free; attendees pay for lunch. 910-389-5771, 703-369-6717 or firstname.lastname@example.org.
Horse farm pasture walk, tour of a Chesapeake Bay-friendly horse farm and information on keeping horses, led by Tim Mize, agriculture and natural resources agent with Virginia Cooperative Extension; Susan Johnson, director of agriculture and rural economy for Piedmont Environmental Council; Jay Yankey, district manager of Prince William Soil and Water Conservation District; and Nicole Ethier, a conservation specialist. 2-5 p.m., Oakwood Farm, 4540 Sudley Rd., Gainesville. Free. 571-379-7514 or www.pwswcd.org.
“Percy Jackson: Sea of Monsters,” part of the “Movie Under the Stars” series. 7 p.m., Northern Virginia Community College, 6901 Sudley Rd., Manassas. $3. 703-530-3072.
Manassas cemetery tour, costumed interpreters lead a tour to the Manassas Cemetery by lantern light. 8 p.m., Manassas Museum, 9101 Prince William St. $5. 703-368-1873.
“Joseph McGill Slave Quarter Project,” a member of the National Trust of Historic Preservation, McGill travels across the country sleeping in and discussing original slave quarters. He will talk about his project, accompanied by costumed historians. 11 a.m.-4 p.m., Ben Lomond Historic Site, 10321 Sudley Manor Dr., Manassas. $7; children 6 and younger free. 703-367-7872.
Prince William Community Band Festival, performances by the Clarke County Community Band, Brass of the Potomac and the Loudoun Symphonic Winds. 1:30 p.m., Loy E. Harris Pavilion, 9201 Center St., Manassas. Free. 703-361-9800 or www.pwcb.org.
Science fiction book discussion, participants discuss “The Affinity Bridge,” by George Mann. 2:30 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211.
“Disney’s Peter Pan Jr.,” Center for the Arts’ Pied Piper Theatre performs the musical based on a new version of J.M. Barrie’s classic tale. 7 p.m. Saturday, 4 p.m. Sunday, Gar-Field High School, 14000 Smoketown Rd., Woodbridge. $12; children 12 and younger, $10. 703-330-2787 or www.center-for-the-arts.org.
Lions Spring Vendor Fair and Wine Tasting, home-based businesses, local artists and wineries, food vendors and live entertainment. Noon-6 p.m., Loy E. Harris Pavilion, 9201 Center St., Manassas. Free admission; fee for wine tastings. 703-335-2607.
Author talk, Chris Mackowski discusses his book “The Last Days of Stonewall Jackson: The Mortal Wounding of the Confederacy’s Greatest Icon.” 2 p.m., Manassas Museum, 9101 Prince William St., Manassas. Free. 703-368-1873.
Bingo, proceeds support local veterans. 2 p.m. Sundays, 7:15 p.m. Mondays, Woodbridge American Legion, 3640 Friendly Post Lane, Woodbridge. $10 minimum. 703-494-4304.
Woodbridge Flute Choir, the annual spring concert. 2 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211.
Job search network group, plus discussion of various related topics. 1-3 p.m. Mondays, House of Mercy, 8170 Flannery Ct., Manassas. Free. 703-659-1636.
Random Reads book club, a discussion of “The Girls Who Went Away: The Hidden History of Women Who Surrendered Children for Adoption in the Decades Before Roe v. Wade,” by Ann Fessler. 1 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4530.
Lake Jackson/Mid-County Lions Club meeting, 6:30 p.m., Great American Steak and Buffet, 8365 Sudley Rd., Manassas. Free. 703-369-6791.
Mystery book club, the group discusses “The Rope,” by Nevada Barr. 7 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211.
Prince William Wildflower Society, Dennis Whigham, orchid ecologist and senior botanist with the Smithsonian Environmental Research Center, will discuss native orchids. 7:30 p.m., Bethel Lutheran Church, 8712 Plantation Lane, Manassas. Free. 703-368-2898.
Downsizing and space-planning workshop, use floor plans and furniture templates to plan a new home. Offered by Wise Moves. Lunch available. 11 a.m.-2 p.m., Westminster at Lake Ridge, 12191 Clipper Dr., Lake Ridge. Free; registration required. 703-496-3440 or www.wlrva.org.
Friends of Leesylvania Park, regular meeting, new members welcome; the group raises money and supports park programs such as the Junior Rangers, free kids’ fishing tournaments and Haunted History Hikes. 7:30 p.m., Leesylvania State Park, 2001 Daniel K. Ludwig Dr., Woodbridge. Free. 703-583-6904 or email@example.com.
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.
National Active and Retired Federal Employees, meeting for Chapter 356. Lunch at 11:30 a.m.; meeting begins at noon, Hibachi Buffet and Sushi, 8121 Sudley Rd., Manassas. Free; attendees pay for their lunch. 703-361-4677.
Manassas book discussion group, this month’s selection is “The Rosie Project,” by Graeme Simsion. 1 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211.
Navigating Medicare talk, by Rosemari Walker of the Area Agency on Aging. 7 p.m., Home Instead Senior Care, 9817 Godwin Dr., No. 202, Manassas. Free. 703-530-1360.
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.
Details: Announcements are accepted on a space-available basis from public and nonprofit organizations only and must be received at least 14 days before the Thursday publication date. Include event name, dates, times, exact address, prices and a publishable contact phone number.