Dulles Knitting Group, all skill levels welcome. 1:30-3 p.m., upstairs at Wegmans, 45131 Columbia Pl., Sterling. Free. 703-724-4210.
Toastmasters Club, NOVA Dawn Breakers. 7:30-8:30 a.m., Eggspectation restaurant, 1609 Village Market Blvd., Leesburg. 703-608-2286 or email@example.com.
Sewing and “stitch-in,” for beginners. Take sewing, knitting, needlepoint or crochet projects. Machines provided. 9-11:45 a.m., Leesburg Senior Center, 102 North St., Leesburg. Free. 703-737-8039.
Mah-jongg, Chinese tile game. Noon Mondays and Thursdays, Leesburg Senior Center, 102 North St., Leesburg. Free. 703-737-8039.
Sterling Rotary Club meeting, 12:30 p.m., Logan’s Roadhouse, 46321 McClellan Way, Sterling. 703-401-4509.
Line dancing for seniors, for people 55 and older. 2-3 p.m., Carver Center, 200 Willie Palmer Way, Purcellville. $2. 571-258-3400.
Rotary Club of Leesburg Daybreak, 7:30 a.m., Tuscarora Mill restaurant, 203 Harrison St. SE, Leesburg. 703-622-4320 or www.leesburgdaybreak.org.
Party bridge, 1-4 p.m., Leesburg Senior Center, 102 North St., Leesburg. Free. 703-737-8039.
Bluegrass and folk jam, open to all musicians. 7-8:30 p.m. Morningside House, 316 Harrison St. SE, Leesburg. Free. 571-237-2888.
Middleburg duplicate bridge, open game. 12:30 p.m., Emmanuel Episcopal Church, 105 E. Washington St., Middleburg. $5. 540-687-5093.
“What’s Up With Washington Weather?” Kevin Ambrose discusses the past three centuries of Washington area weather, including blizzards, cold waves, thunderstorms, tornadoes, hurricanes, floods and heat waves. Sponsored by Loudoun Wildlife Conservancy. 7 p.m., Historic Morven Park, 17263 Southern Planter Lane, Leesburg. Free; registration required. 540-554-2542, www.loudounwildlife.org or firstname.lastname@example.org.
Bluegrass, Celtic and folk music jam, a benefit for Genesis International. Food sold, including a barbecue dinner from Savoir Fare. 6 p.m.-midnight, Old Furniture Factory, 6 W. Loudoun St., Round Hill. $5 donation requested. 540-338-5050 or www.theoldfurniturefactory.com.
Global energy documentary, ”Switch” (2012), sponsored by Goose Creek Association, Land Trust of Virginia and the Hill School Alumni Association. Refreshments. 7 p.m., Sheila C. Johnson Performing Arts Center, 130 S. Madison St., Middleburg. Free. 540-687-3073 or email@example.com.
Last Ham Standing, performers take suggestions from the audience to create comedic improv scenes. 8 p.m., Franklin Park Performing and Visual Arts Center, 36441 Blueridge View Lane, Purcellville. $12; students, $10; children, $8. www.franklinparkartscenter.org or 540-338-7973.
Toastmasters Club, Leaders of Leesburg meetings are on first and thirds Saturdays. 11 a.m.-noon, Caulkin Main Terminal, third floor, 1001 Sycolin Rd. SE, Leesburg. Free. 703-725-1366 or www.loltoastmasters.com.
Lucketts Bluegrass, Joe Mullins and the Radio Ramblers. Food available. 7 p.m., Lucketts Community Center, 42361 Lucketts Rd., Leesburg. $15. 703-771-5281 or www.luckettsbluegrass.org.
“Big Winter Concert,” with Danny Knicely on mandolin, Rex McGee on banjo, Nate Leath on fiddle, John Garris on guitar and Bobby Martin on percussion. 8 p.m., Franklin Park Performing and Visual Arts Center, 36441 Blueridge View Lane, Purcellville. $22; in advance, $18. www.franklinparkartscenter.org or 540-338-7973.
Winter hike, sponsored by the Loudoun Wildlife Conservancy. Binoculars suggested. 1-4 p.m., Historic Morven Park, 17263 Southern Planter Lane, Leesburg. Free; registration required. www.loudounwildlife.org or firstname.lastname@example.org.
Mail: Community Events, Loudoun Living, The Washington Post, 104 Dry Mill Rd., Suite 101, Leesburg, Va. 20175
Details: Announcements are accepted on a space-available basis from nonprofit and public organizations and must be received at least 14 days before the publication date. Include event name, dates, times, exact address, prices and a publishable contact phone number.