1. Iowa became a state on December 28th, 1846, but it wasn't until June 27th, 1870, that the first state Capitol building was completed in Des Moines.

2. On June 27th, 1893, the first successful gasoline-powered tractor was invented by Charles Hart and Charles Parr in Charles City, Iowa. This invention revolutionized agriculture and led to the growth of Iowa's economy.

3. Iowa's indigenous people, including the Meskwaki Nation, have a long and rich history in the state. On June 27th, 1934, President Franklin D. Roosevelt signed the Indian Reorganization Act, which helped to restore some of the tribal sovereignty and rights that had been taken away by previous government policies.

4. On June 27th, 1991, the Great Flood of 1993 began in Iowa and several other states. This was one of the worst natural disasters in the state's history, with devastating effects on homes, communities, and agriculture.

5. The Iowa State Fair is one of the most famous and beloved state fairs in the country. On June 27th, 2004, the Fair set a daily attendance record of 117,799 visitors. This was just one of many milestones in the Fair's rich history, which dates back to 1854.