Center -- The Beaver County Genealogy & History Center will present "Researching Your English Ancestors" by author Linda Riding Johnson at 7 p.m. Wednesday in the Mormon Family History Center, 114 Church Drive. Information: 724-847-9253.
Green Tree -- The Green Tree Public Library, 10 W. Manilla Ave., will sponsor a Super Heroes Lego Workshop for children grades two-five from 6:30 to 8 p.m. Wednesday. Registration is required. Information: 412-921-9292.
New Brighton -- The New Brighton Public Library will sponsor a spaghetti dinner from 4 to 7 p.m. Saturday in the social hall of Holy Family Catholic Parish, 1851 Third Ave. The cost is $8 in advance, $10 at the door; $5 for children 11 and younger. Information: 724-846-7991.
Beaver Falls -- Geneva College, 3200 College Ave., will hold the following concerts in the John White Chapel of Old Main.
• Performance by students at the Contemporary Music Center in Nashville, Tenn., 7:30 tonight. Doors open at 7 p.m. Also includes guest performance by The Gentlemen, an experimental hard rock band comprising Geneva students. Information: 724-847-6577. Free.
• "In the Mood XVIII: Big Band Music Returns," featuring the Geneva College Jazz Band, 8 p.m. Saturday. Tickets cost $8, $4 for students. Seating limited. Reservations: 724-847-6660.
Cross Creek -- The Washington County Department of Parks and Recreation will sponsor the following events in Cross Creek Park, off Route 50. Reservations: 724-228-6867.
• The Flight of the Timberdoodle, 7:30 tonight.
• Jeepers Peepers, a search for spring peeper frogs, 8 p.m. Tuesday.
Rochester Borough -- The Rochester Public Library, 252 Adams St., will hold a Spring Bag of Books Sale from noon to 6 p.m. Monday and Wednesday and from 9 a.m. to 3 p.m. Tuesday, next Thursday and April 20 in recognition of National Library Week. Fill up a shopping bag for $5. Information: 724-774-7783.
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