1. Iowa became a state on May 29, 1846, when President James K. Polk signed the legislation admitting Iowa to the Union. Iowa was the 29th state to join the United States.

2. On May 29, 2013, the Iowa Supreme Court ruled that the state's ban on same-sex marriage was unconstitutional, paving the way for marriage equality in Iowa.

3. May 29, 1917 was a significant date for Iowa during World War I, as the state's first draft lottery was held on that day. More than 76,000 men were eligible for the draft, and 10,434 were ultimately called to serve.

4. In 1963, President John F. Kennedy visited Iowa on May 29th as part of a multi-state tour. He spoke at an economic forum in Davenport and met with community leaders in Des Moines.

5. On May 29, 2008, a tornado outbreak swept through parts of Iowa, causing significant damage and several fatalities. One tornado, rated EF5 (the highest on the Enhanced Fujita Scale), struck the town of Parkersburg, destroying more than 200 homes and killing seven people.