1. Ohio became the 17th state in the Union on February 1, 1803. After more than a year of debate and compromise, Congress finally approved Ohio's statehood and it was formally admitted to the United States.

2. In 1862, the Battle of Mill Springs took place in Kentucky, just south of the Ohio River. Ohio played a significant role in the battle by sending thousands of troops to fight against Confederate forces. The battle was a Union victory and helped secure Kentucky as a Union state.

3. On February 1, 1896, the Toledo Zoo opened its doors for the first time. The zoo has since become one of the top-rated in the country, and is home to over 10,000 animals. It is also a leader in animal conservation and research.

4. On this day in 1915, a deadly flood swept through parts of northeastern Ohio. The flood, caused by heavy rain and melting snow, killed over 100 people and caused millions of dollars in damages. It remains one of the deadliest natural disasters in Ohio's history.

5. In 2004, Janet Jackson caused controversy during the halftime show of Super Bowl XXXVIII, which was held in Houston, Texas. While performing with Justin Timberlake, Jackson's costume malfunctioned and her breast was exposed on live television. The incident led to widespread criticism and calls for increased decency standards, and is often referenced in discussions about censorship and free speech.