1. In 1783, the last British troops left New York City, marking the end of the American Revolution. Although this event did not occur in Ohio, it had a significant impact on the state's early history as it helped secure the newly formed United States' independence.

2. On November 25, 1808, French explorer and botanist Constantine Rafinesque arrived in Lexington, Kentucky, where he would spend the next several years studying and collecting plant specimens throughout the Ohio River Valley. Rafinesque's extensive research would contribute greatly to the understanding of Ohio's unique flora and fauna.

3. In 1867, renowned author and humorist Mark Twain arrived in Cincinnati, Ohio, to begin his first lecture tour of the United States. Twain's witty and satirical lectures helped establish him as one of America's most beloved writers and speakers.

4. On November 25, 1881, the famous Eleventh Street Bridge spanning the Ohio River between Cincinnati and Covington, Kentucky, was officially opened to the public. This landmark structure, which was replaced in 1963, played an important role in the growth and development of both cities and the region as a whole.

5. Ohio native Earl Lloyd made history on November 25, 1950, when he became the first African American to play in a National Basketball Association (NBA) game. Lloyd, who was born in Alexandria, Virginia, but grew up in Ohio, played for the Washington Capitols and went on to enjoy a successful career as a player and coach.