1. On April 14, 1825, the Lafayette Journal & Courier was founded.
The Lafayette Journal & Courier is a daily newspaper serving the Lafayette-West Lafayette area of Indiana. It was founded on April 14, 1825, and has won numerous awards for its outstanding journalism throughout the years.

2. On April 14, 1865, President Abraham Lincoln was assassinated at Ford's Theatre in Washington D.C.
Although this event did not take place in Indiana, it had a significant impact on the state at the time as the citizens of Indiana were deeply affected by Lincoln's death, considering him a hero and a friend to the state.

3. On April 14, 1908, the Indiana law prohibiting the sale of liquor or tobacco to minors went into effect.
This law was enacted to protect the health and well-being of Indiana's youth and is still in place today.

4. On April 14, 1918, the United States declared war on Austria-Hungary during World War I.
This declaration came after Austria-Hungary had launched a series of submarine attacks on American ships, which prompted the U.S. to enter the war.

5. On April 14, 1972, the Indianapolis 500 became the first auto race to be televised nationwide in the United States.
This was a milestone moment in the history of the Indianapolis 500 as the event garnered national attention, paving the way for future growth and success.