1. In 1861, Ohio Governor William Dennison Jr. convened an emergency legislative session in response to the secession of Southern states from the Union. This session resulted in Ohio becoming the first state to pledge troops for the Union cause in the Civil War.

2. On January 29, 1916, the Cleveland Museum of Art opened to the public. It is known for its extensive collection of European and American art, as well as its diverse range of exhibitions and educational programs.

3. Ohio astronaut Kathryn D. Sullivan was born on January 29, 1951, in Paterson, New Jersey. She became the first American woman to walk in space in 1984 and later went on to serve as the Administrator of the National Oceanic and Atmospheric Administration (NOAA).

4. The Cincinnati Reds played their first game at Riverfront Stadium on January 29, 1970. The stadium would become the team's home for the next 32 years, hosting some of the most memorable moments in Reds history, including the 1990 World Series championship.

5. On January 29, 2004, the Ohio state legislature passed the Ohio Constitution Defense Act, which declared that the state would not recognize any federal law or executive order that infringes on the Second Amendment right to bear arms. The act was seen as a response to proposed federal gun control measures at the time.