On Main Street (Ohio Route 235) at Central Avenue, on the left when traveling south on Main Street.
Ada grew alongside the tracks of the Ohio & Indiana Railroad, completed in 1854 between Crestline, Crawford County, and Fort Wayne, Indiana. This line became part of the Southwest Division of the Pennsylvania Railroad in 1869. Ada's rapid growth as . . . — — Map (db m29014) HM
On Main Street (Ohio Route 235) at College Avenue, on the right when traveling south on Main Street.
Henry Solomon Lehr founded Ohio Northern University in 1871 as the Northwestern Ohio Normal School. Its purpose was to train teachers and to provide higher education to the people in Northwest Ohio. In 1885, the school became Ohio Normal . . . — — Map (db m29025) HM