Warren County Historical Society, 210 Fourth Ave., 8:30 a.m. to 4:30 p.m.
Warren Public Library, Market St., Warren, open, 10 a.m.-5 p.m.
Community lunch, free to the public, The Salvation Army, 311 Beech St., noon.
Founders Day Exhibit at the Warren County Historical Society commemorating the beginning of Warren, Warren County Historical Society, 210 Fourth Ave., Warren, 8:30 a.m.-4:30 p.m.
Scrub & Uniform Sale, 7 a.m.-4 p.m. in Warren General Hospital outpatient lobby. Benefits the WGH Auxiliary and its many programs.
Flea Market, Allegheny Community Center, food available and drug take-back, 42 Clark St., Warren, 9 a.m.-3 p.m. (723-3237).
Open House at The House of Hope of Warren County, tour the new home at 316 Hazel Street, Warren, 6-8 p.m.
Happy Healthy Kids Day, Warren YMCA, free activities and free gifts (while supplies last); sponsored by PNC, Superior Tire, Whirley Industries, Council on Tourism and Warren General Hospital, 3:30-7 p.m.
Spring Rummage Sale sponsored by Trinity Women, Clarendon Trinity United Methodist Church, 9 a.m.-4 p.m.
Annual Church Rummage Sale, First United Methodist Church 200 Market St., 9 a.m.-5 p.m.
Rummage Sale sponsored by Russell Volunteer Fire Department, fire hall, 9 a.m.-5 p.m.