For an exhaustive list of events beyond those listed here, check http://events.frommers.com, where you'll find a searchable, up-to-the-minute roster of what's happening in cities all over the world.
Historic Annapolis Antiques Show (Medford National Guard Armory, Annapolis, Md.; tel. 410/267-8146; www.annapolis.org): Fine country and period furniture and decorative arts are displayed and sold to benefit London Town Foundation. Second weekend in January.
Chesapeake Bay Boat Show (Baltimore Convention Center, Baltimore, Md.; tel. 212/984-7000; www.discoverboating.com): Dream of summer while climbing aboard the boats. Nine days in mid-January.
Hunt Valley Antiques Show (Timonium, Md.; tel. 410/366-1980; www.huntvalleyantiquesshow.org): As good as Annapolis's show . Call for tickets. Last weekend in February.
St. Patrick's Day Parade and Festival (Coastal Hwy., Ocean City, Md.; tel. 800/OC-OCEAN [626-2326]): The second-largest parade in Maryland features floats and live Irish dancing and entertainment. Saturday nearest the actual day.
Maryland Day (Historic St. Mary's City and Annapolis, Md.; tel. 800/762-1634 for St. Mary's, or 410/267-8146 for Annapolis): Special tours and ceremonies at historic sites. On or near March 25.
My Lady's Manor Steeplechase Races (Ladew Topiary Gardens, Rte. 146 and Pocock Rd., Monkton, Md.; tel. 410/557-9466): Annual running of the steeplechase. Saturday in mid-April.
The Maryland Film Festival (tel. 410/752-8083; www.mdfilmfest.com): Venues around Maryland showcase original as well as restored films. First week in May.
Decoy and Wildlife Art Festival (Havre de Grace Decoy Museum, Havre de Grace, Md.; tel. 410/939-3739; www.decoymuseum.com): Auctions, retriever demonstrations, and carving competitions. First weekend in May.
Preakness Week (Baltimore area, Md.; tel. 410/542-9400; www.preakness.com): The Preakness Stakes, the second jewel of horse racing's Triple Crown, is held at Pimlico Race Course. Gates open at 8:30am. The celebration begins the previous week with a parade and other events. Third Saturday in May.
Wine in the Woods (Symphony Woods, Columbia, Md.; tel. 410/313-7275; www.wineinthewoods.com): Maryland wines and gourmet foods, entertainment, arts, and crafts. Preakness Weekend (just by coincidence) from noon to 6pm.
Flowermart (Mount Vernon, Baltimore, Md.; tel. 410/323-0022; www.flowermart.org): A charming tradition known for its flowers, lemon sticks, and crab cakes. First weekend in May.
Chestertown Tea Party Festival (Chestertown, Md.; tel. 410/778-0416; www.chestertownteaparty.com): Bostonians weren't the only ones throwing tea overboard in the 1770s. This festival has a reenactment of the 1774 Tea Party, a parade, a crafts show, entertainment, and food. Last weekend in May.
U.S. Naval Academy Commissioning Week (Annapolis, Md.; tel. 410/263-6937): Activities include an air show by the Blue Angels, several dress parades, and graduation. The air show stops traffic near the Severn River and attracts lots of spectators. Other events are closed to the public. Mid-May.
Arts Alive (Northside Park, Ocean City, Md.; tel. 800/0C-OCEAN [626-2326]): Juried art contest and exhibition. First weekend in June.
Columbia Festival of the Arts (Lake Kittamaqundi, Columbia, Md.; tel. 410/715-3044; www.columbiafestival.com): Celebration of the arts with local and national stars of theater, music, dance, and visual arts. Ten days in mid-June.
Salute to Independence (Antietam National Battlefield, Sharpsburg, Md.; tel. 301/432-5124; www.nps.gov/anti/salute.htm): The Maryland Symphony Orchestra's annual concert, with cannon fire and fireworks. Saturday after July 4th.
Artscape (Baltimore, Md.; tel. 410/837-4636; www.artscape.org): A weekend festival celebrating the visual and performing arts. Nationally known performers join local artists; children's activities are also offered. Mid-July.
J. Millard Tawes Crab and Clam Bake (Crisfield, Md.; tel. 410/968-2500): An all-you-can-eat celebration of crabs, clams, and corn. Wednesday in mid-July.
Kunta Kinte Celebration (Annapolis, Md.; tel. 410/349-0338): African-American cultural heritage festival with music, dance, arts, and crafts. Mid-August.
Maryland State Fair (Timonium Fairgrounds, Md.; tel. 410/252-0200; www.marylandstatefair.com): Eleven days of farm animals, crafts, produce, rides, entertainment, and thoroughbred racing. From the week before Labor Day through the holiday weekend, daily from 10am to 10pm.
Duck Fair (Havre de Grace Decoy Museum, Havre de Grace, Md.; tel. 410/939-3739; www.decoymuseum.com): A celebration of wildlife art, along with food, entertainment, and children's activities. Weekend after Labor Day.
The Star-Spangled Banner Weekend (Fort McHenry, Baltimore, Md.; tel. 410/962-4290; www.nps.gov/fomc): Reenactments of the War of 1812, with musket firing and children's activities. Fall weekend near Defender's Day, September 12 (a Baltimore City holiday).
Maryland Wine Festival (Carroll County Farm Museum, Westminster, Md.; tel. 800/654-4645): Maryland wines, food, entertainment, and tours of the farm museum. Mid-September.
Baltimore Book Festival (Baltimore, Md.; tel. 888/BALTIMORE [225-8466] or 410/837-4636): Features local bookstores and publishers, authors and storytellers, art, entertainment, and food. Weekend in mid-September.
Maryland Million (Laurel Park, Laurel, Md.; tel. 410/252-2100; www.mdhorsebreeders.com): Maryland's own are celebrated in this race of Maryland-bred thoroughbreds. Late September or early October.
Fells Point Fun Festival (Baltimore, Md.; tel. 410/675-6756): Largest urban festival on the East Coast. First weekend in October.
United States Sailboat Show (City Dock, Annapolis, Md.; tel. 410/268-8828; www.usboat.com): Nation's oldest and largest in-water sailboat show. Columbus Day weekend.
United States Powerboat Show (City Dock, Annapolis, Md.; tel. 410/268-8828; www.usboat.com): Nation's oldest and largest in-water powerboat show. Weekend after sailboat show.
Autumn Glory Festival (Oakland, Md.; tel. 301/387-4386; www.autumngloryfestival.com): State banjo and fiddle championship, crafts, and antiques. Second week in October.
Catoctin Colorfest (Thurmont, Md.; tel. 301/271-4432): Arts and crafts and the beauty of the mountains. Second weekend in October.
Tilghman Island Day (Tilghman Island, Md.; tel. 410/886-2677): Local seafood, music, watermen contests, and rides on skipjacks and workboats. Saturday in October.
Waterfowl Festival (Easton, Md.; tel. 410/822-4567; www.waterfowlfestival.org): An Eastern Shore celebration of decoys, artwork of waterfowl, duck-calling contests, kids' activities, and food. Second weekend in November.
New Year's Eve Spectacular (Inner Harbor, Baltimore, Md.; tel. 888/BALTIMORE [225-8466]): Party suitable for families, featuring entertainment, food, and fireworks. December 31.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.