1. In 1814, the USS Lawrence, a naval ship named after Ohio War hero James Lawrence, was famously destroyed during the Battle of Lake Erie, a pivotal moment in the War of 1812.

2. On September 15, 1925, former President William Howard Taft dedicated the Freedom Trail through the Northwest Territory, which commemorated the historic route of the Underground Railroad in Ohio.

3. In 1946, Cleveland Indians pitcher Bob Feller threw his third no-hitter of his career against the New York Yankees, making him the first player in baseball history to achieve such a feat.

4. The Ohio History Connection, a statewide organization dedicated to preserving and promoting Ohio's heritage, was founded on September 15, 1885.

5. On September 15, 1782, the Treaty of Fort McIntosh was signed between the United States government and several Native American tribes, including the Delaware, Potawatomi, and Chippewa, in what is now Beaver County, Pennsylvania. The treaty ceded land in present-day Ohio to the United States and marked a significant moment in the westward expansion of the country.