Iowa has a vast and fascinating history, and August 7 is a particularly noteworthy day. Here are five interesting facts about August 7 in Iowa's past:

1. In 1843, Mormon apostle Parley P. Pratt was arrested in Iowa for bigamy. Pratt was a key figure in the early Mormon Church and had several wives. He was eventually acquitted, but the incident highlights the complex and controversial history of the Mormon presence in Iowa.

2. On August 7, 1861, the 1st Iowa Infantry fought in the Battle of Wilson's Creek in Missouri, one of the earliest battles of the American Civil War. The regiment suffered heavy losses but ultimately helped turn the tide of the battle.

3. In 1890, the town of Kalona, Iowa was incorporated. Kalona is known for its large Amish population and is home to several historic landmarks, including the Kalona Historical Village.

4. On August 7, 1964, the Gulf of Tonkin Resolution was passed by the U.S. Congress, giving President Lyndon B. Johnson broad powers to escalate U.S. military involvement in Vietnam. Iowa Senator Bourke B. Hickenlooper was a key supporter of the resolution.

5. Finally, August 7, 1993 marks the day that Robert H. Castellini became the majority owner of the Cincinnati Reds baseball team. Castellini grew up in and around Des Moines, Iowa and went on to become a successful businessman and philanthropist. His ownership of the Reds has been marked by a return to winning ways and several trips to the postseason.