Listings include organizations, headquarters, and number of attendees expected, as estimated by the Toledo-Lucas County Convention & Visitors Bureau:
Mar. 20-21 Toledo Dental Society Spring Clinic, various properties, 250, regional.
Mar. 22-24 Boys and Girls Clubs of America, Park Inn Toledo, 150, regional.
Mar. 22-24 Region 5 Soobank Do Martial Arts Tournament, Wyndham Hotel, 300, regional.
Mar. 23-25 Forty Frame Game Bowling Tournament, Clarion Westgate, 250, regional.
Mar. 23-25 Shammy Burt Annual Handicap Bowling Tournament, Holiday Inn Express-Oregon, 400, regional.
Mar. 25-26 Ohio Musuems Association, Maumee Bay Resort, 120, state.