ROSÉ AND CHARCUTERIE TASTING: Four wines paired with Virginia charcuterie. 6 p.m. $28. Trummer’s on Main, 7134 Main St., Clifton. 703-266-1623. trummersonmain.com.
WINE SPECTATOR’S GRAND TOUR: Samples of more than 200 wines. 7-10 p.m. $225. Ronald Reagan Building & International Trade Center, Woodrow Wilson Center, 1300 Pennsylvania Ave. NW. grandtour.winespectator.com.
WINE DINNER: Five courses paired with Barboursville Vineyards wines. 7:30 p.m. $125, not including tax and gratuity. Old Hickory Steakhouse, 201 Waterfront St., Oxon Hill, Md. 301-965-4000. www.gaylordnationaltickets.com.
BAMBA BOWL: Food and drink from area Mexican restaurants, including a taco competition. Noon-3 p.m. $30. Del Campo, 777 I St. NW. 202-289-7377. delcampodc.com.
DERBY DAY PARTY: Southern-inspired feast, music and games. A portion of the proceeds goes to Brainfood. 3-7 p.m. $75. Poste, 555 Eighth St. NW. 202-783-6060. www.postebrasserie.com.
GREEK OUTDOOR MARKET: Vendors visit the pop-up agora in honor of Greek Easter. 11:30 a.m.-4 p.m. Free. Zaytinya, 701 Ninth St. NW. 202-638-0800. www.zaytinya.com.
MASTER GARDENER OPEN HOUSE: Workshops including garden planning and techniques, soils and composting. Master gardeners provide gardening advice. 8:30 a.m.-1 p.m. Free. Agricultural History Farm Park, 18410 Muncaster Rd., Derwood, Md. 301-590-9650. www.extension.umd.edu/montgomery-county.
NATIONAL HARBOR WINE AND FOOD FESTIVAL: Cooking demos, live music and unlimited beer, wine and spirits. 1-6 p.m.; May 4, 1-6 p.m. $49 per day ($39 in advance); $30 for designated drivers. National Harbor, 150 National Plaza, National Harbor. www.wineandfoodnh.com.
COOKING CLASS: Covers stock making, braising, poaching, sauteing and knife skills, as well as kitchen and food safety. 1-4 p.m. $69. Open Kitchen, 7115 Leesburg Pike, Falls Church. 703-942-8148. www.openkitchen-dcmetro.com.
CULINARY HISTORY DISCUSSION: Joy Frasier, assistant English professor at George Mason University, talks about haggis and how it became Scotland’s national dish. 2:30-4:30 p.m. Free. Bethesda-Chevy Chase Regional Services Center, 4805 Edgemoor Lane, Bethesda. 301-320-6979. www.chowdc.org.
WINE TASTING AND BOTTLE SIGNING: With Champ de Rêves Vineyards. 6-8 p.m. Free. Wegmans, 11620 Monument Dr., Fairfax. 703-653-1600. www.wegmans.com.
BISCUIT BASH: Fundraiser for Hospitality High features five chefs in a biscuit competition. 6-8 p.m. $55. Art and Soul, 415 New Jersey Ave. NW. 202-393-7777. biscuitbash.eventbrite.com.
WINE DINNER: Four courses paired with seven Peter Michael wines. 6:30 p.m. $195, not including tax and gratuity. The Ritz-Carlton Tysons Corner, 1700 Tysons Blvd., McLean. 703-917-5496. www.ritzcarlton.com/tysons.
WINE SEMINAR AND TASTING: Focuses on French wines. 6:30-8 p.m. $20. Wegmans, 11620 Monument Dr., Fairfax. 703-653-1600. www.wegmans.com.
SPIRITS TASTING: Stories of fruit trees on the estate and samples of spirits from Bloomery Plantation Distillery. 6 p.m. $20. Tudor Place, 1644 31st St. NW. 202-965-0400. www.tudorplace.org.
WINE CLASS: Compares varietals and blends from Europe with “new world” wines made from the same grapes. 7:15 p.m. $25. Chain Bridge Cellars, 1351 Chain Bridge Rd., McLean. 703-356-6500. www.chainbridgecellars.com.
Event listings can be submitted online only at www.washingtonpost.com/gog/talk-to-us.html, at least 14 days in advance.