1. On October 15, 1810, future Indiana governor James Whitcomb was born in Windsor, Massachusetts. Whitcomb served as the state's governor from 1843-1848 and was a staunch supporter of public education and internal improvements.

2. In 1892, the Great North Woods Fire broke out near the Indiana border in Michigan. The fire destroyed over 1.2 million acres of forest and killed nearly 400 people. Many Hoosiers volunteered to help fight the fire and provide aid to the victims.

3. On October 15, 1920, the first American Legion post in Indiana was chartered in Indianapolis. The American Legion is a veterans' organization with over 2 million members nationwide and works to promote patriotism, support veterans, and advocate for strong national defense.

4. In 1966, Indiana University became the first university in the world to establish a research center entirely dedicated to the study of aging. The Center on Aging and the Life Course is still in operation today and conducts research on a broad range of topics related to aging.

5. The Indianapolis Colts played their first game in Indianapolis on October 15, 1984, after moving from Baltimore. The Colts had a rough start in Indianapolis, winning only three games in their first season in the city, but have since become a beloved part of the state's sports culture.