1. The Wright Brothers' First Airplane Exhibition: On October 25, 1909, aviation pioneers Orville and Wilbur Wright held an airplane exhibition at the Huffman Prairie Flying Field near Dayton. This was the first public demonstration of their flying machine, which is considered a major milestone in aviation history.

2. Viking Stadium Opens: On October 25, 1970, the Minnesota Vikings opened their new stadium, the Metropolitan Stadium, in Bloomington, Minnesota. The stadium was home to the Vikings for 21 seasons until it was replaced by the Hubert H. Humphrey Metrodome in 1982.

3. Edgar Allan Poe's Ohio Connections: October 25 marks the anniversary of Edgar Allan Poe's death in 1849. While Poe is often associated with his native city of Baltimore, he also had strong connections to Ohio. He attended the United States Military Academy at West Point for a time, and later lived in Cincinnati and Cleveland.

4. Ohio State Buckeyes Football: Ohio State Buckeyes football has played many games on October 25 over the years. Notable wins include a 20-0 victory over Indiana in 1941 and a 31-0 win over Minnesota in 2003. In 2014, the Buckeyes defeated Penn State 31-24 on this date.

5. John Glenn Returns to Space: On October 25, 1998, former astronaut and US Senator John Glenn returned to space aboard the Space Shuttle Discovery at the age of 77. Glenn had made history in 1962 as the first American to orbit the Earth. His return to space was part of a scientific research mission focusing on aging and space travel.