1. In 1815, the first state constitution of Indiana was written and adopted on January 9th, establishing the structure and principles of state government.

2. January 9, 1861, marked the inauguration of Henry S. Lane as the governor of Indiana, who would later play a significant role in the Union's victory in the Civil War.

3. One of the deadliest train wrecks in Indiana's history occurred on January 9, 1910, when two passenger trains collided in west-central Indiana, killing 41 people and injuring many more.

4. On January 9, 1951, the Indianapolis Motor Speedway announced that it would host the first 500-mile Formula One race, which would later become the United States Grand Prix.

5. In 1989, a historic snowstorm hit Indiana on January 9th, dropping up to 16 inches of snow in some areas and causing widespread disruption and power outages across the state.