Wisdom House Retreat Center and the Center for Catholic Studies at Fairfield University are co-sponsoring “Vatican II: An Unexpected Revolution” Sept. 28–29. at Wisdom House in Litchfield, Connecticut. The program begins with dinner at 6 p.m. Friday and concludes at 2:30 pm Saturday. The program will celebrate the 50th anniversary of the opening of the Second Vatican Council by exploring its purpose and legacy. Presenters include Maureen Sullivan, OP, PhD; Paul Lakeland, PhD; and the Most Rev. Peter A. Rosazza, D.D. For more information, call 860-567-3163 or visit www.wisdomhouse.org.