Here are 5 interesting facts about February 3 in Indiana history that I could find:

1. On February 3, 1809, the Indiana Territory was established by an act of Congress. The territory included parts of present-day Indiana, Illinois, Michigan, and Wisconsin, and was meant to facilitate the settlement of the Ohio River Valley.

2. February 3, 1865, marked the end of a train robbery spree that had taken place in southern Indiana over the previous months. The robbers, known as the Reno brothers, were captured and later executed in public, becoming one of the first cases of train robbery in American history.

3. In 1913, the Indianapolis Motor Speedway, home of the famous Indy 500 race, was inaugurated on February 3. The track was originally built as a testing ground for local car manufacturers and quickly became a worldwide racing icon and a symbol of Indiana's automotive heritage.

4. On February 3, 1941, the town of Indianapolis experienced one of the deadliest tornadoes in Indiana's history. The EF4 tornado caused widespread damage and claimed 17 lives, highlighting the need for better early warning systems and disaster preparedness in the state.

5. February 3, 1959, is known as "The Day the Music Died" after the tragic plane crash that killed three famous rock and roll musicians: Buddy Holly, Ritchie Valens, and J.P. "The Big Bopper" Richardson. The three musicians had played a concert in Clear Lake, Iowa, and were on their way to the next show in Moorhead, Minnesota, when the plane crashed near Mason City, Iowa. Though not from Indiana, the tragedy had a profound impact on American popular culture and music history.