Home of Happy Dancers: The Story of Bridgeport’s Ritz Ballroom with Jeffrey Williams Sunday, Feb. 23, 2:30. Join Jeffrey for a book signing and to hear stories of this famous ballroom. Suggested donation $5; members free. Sponsored by Fairfield University.

Fairfield Museum and History Center

370 Beach Road; Monday-Friday, 10-4; Saturday-Sunday, noon-4; Free admission members; adults $5, seniors $3; students $3; free children under 5; fairfieldhistory.org, 203-259-1598.