1. On April 27, 1954, a devastating tornado ripped through the town of Monticello, Indiana, killing 25 people and injuring over 200. The tornado was the deadliest in Indiana history at the time and remains one of the deadliest tornadoes in state history.

2. In 1829, the town of Bloomington, Indiana was officially established on April 27th. Bloomington is now the home of Indiana University and is known for its vibrant arts and culture scene.

3. On April 27, 1865, a group of Confederate prisoners of war attempted to escape from Camp Morton, a prison camp located in Indianapolis, Indiana. The attempt was unsuccessful and several prisoners were injured or killed during the ensuing gunfire.

4. In 1963, the Indianapolis 500 Time Trials began on April 27th. The Indianapolis 500 is one of the most prestigious car races in the world and draws thousands of spectators to Indiana each year.

5. On April 27, 1943, the USS Indianapolis was launched from the Newport News Shipbuilding and Drydock Company in Virginia. The ship went on to serve in World War II and is perhaps best known for the tragic sinking that occurred after delivering the atomic bomb to Tinian in July 1945.