Warren County Historical Society, 210 Fourth Ave., 8:30 a.m. to 4:30 p.m.
Kiwanis Club, Jefferson DeFrees Family Center, 12:10 p.m.
Senior Citizens, free help with Medicare claims forms and Medigap insurance forms, for appointment call Area Agency on Aging, 723-3763.
Warren Area Student Union, Hickory St., open, 3 to 6 p.m.
Community dinner, free to the public, The Salvation Army, 311 Beech St., 4:30-5:30 p.m.
Warren Public Library, Market St., Warren, open, 10 a.m.-8 p.m.
Warren Business Association, Theater Room, Northwest Savings Bank, 5:15 p.m.
United Commercial Travelers (UCT), Warren Council 563, Starbrick Fire Hall, 7:30 p.m.
Moose Club 109 and Women of Moose 693, Moose Lodge, 7 p.m.
Embroiderer's Guild, Chautauqua Region Chapter, St. Luke's Episcopal Church, Jamestown, 7:30 p.m.
Warren County United Veterans Council, American Legion Post 135, 412 Pennsylvania Ave. W., Warren (all veterans are considered members of the council and are urged to attend).
Warren Welcome Club for new mothers and mothers who are new to the area, First Lutheran Church, Warren, 7 p.m.
Warren High School Class of 1955, picnic, Joan Tridico's house, 2 Cook St., North Warren, 12:30 p.m.
Warren High School Class of 1953, lunch, Warren Holiday Inn, 1 p.m.
Youngsville High School Class of 1951, breakfast, Richard's Restaurant, Youngsville, 9 a.m.
Warren High School Class of 1951, women's lunch, Clarendon Cafe, noon.
Retired women of the Warren County Courthouse, lunch, Cable Hollow Golf Course, 1 p.m.
"Active Parenting Now," Warren County Human Services, 27 Hospital Dr., North Warren, 10 a.m.-noon.
49th Annual Sheffield Fireman's Festival, midway opens, ride-a-rama, 6 p.m.; bingo (doors open, 4:30 p.m.), games start, 6 p.m.; special drawing (must be present), 10 p.m.
Summer reading program for ages 3 to 8, Sheffield Township Library, 10:30 a.m.-noon.
Grand Valley's 8th Annual Homecoming Committee, 6:30 p.m. at Grand Valley Fire Hall.