1. On January 25, 1968, the Ohio State University plane crash occurred. The plane carrying members of the university's football team and coaching staff crashed in icy conditions, killing 28 people.

2. The Cincinnati Enquirer was first published on January 25, 1841. It is now the third-largest newspaper in Ohio and has won numerous Pulitzer Prizes throughout its history.

3. The first Women's Christian Temperance Union convention in Ohio was held on January 25, 1875, in Cleveland. The organization advocated for the prohibition of alcohol and played a major role in the passage of the 18th Amendment, which established national prohibition in the United States from 1920 to 1933.

4. On January 25, 1971, Charles Manson was found guilty of conspiracy to commit murder in the Tate-LaBianca killings. One of his followers, Susan Atkins, was from near Dayton, Ohio.

5. In 1787, Congress passed the Northwest Ordinance on January 25, which established a system for creating new states from the Northwest Territory. This territory included what is now Ohio, as well as parts of present-day Indiana, Illinois, Michigan, Minnesota, and Wisconsin.