1. In 1844, the first telegraph line was completed in Iowa, connecting Davenport and Iowa City. This allowed for faster communication and played a significant role in the development of the state.

2. In 1858, Iowa Wesleyan College was established in Mount Pleasant. It was one of the first coeducational colleges in the country and became an important center for education in Iowa.

3. In 1934, the first tractor tests were held at Iowa State College (now Iowa State University) in Ames. These tests helped to standardize tractor performance and provided valuable information for farmers.

4. In 1972, the Iowa Supreme Court ruled in the case of "State v. Freeman" that women had the right to obtain abortions in the state. This decision was one of the earliest in the country to recognize a woman's right to choose.

5. In 2004, the Iowa Cubs set a new record for the longest professional baseball game in state history. The game lasted 25 innings and lasted over 7 hours before the Cubs finally emerged victorious.