1. On April 11, 1888, a massive blizzard struck Iowa, causing severe damage to property and claiming the lives of hundreds of people and livestock. The blizzard lasted for almost two days and is still considered one of the deadliest natural disasters in Iowa's history.

2. In 1927, Iowa State University inaugurated the first ever National Soil Conservation Week on April 11. The week aimed to promote the need for conservation measures to preserve soil fertility and prevent soil erosion.

3. On April 11, 1932, a tornado hit the town of Ankeny, Iowa, causing significant damage to several buildings and homes. While no one was killed in the tornado, the incident caused widespread fear and distress among the residents of the town.

4. In 1975, the Iowa National Guard was called to duty on April 11 to help remove debris and restore power lines after a severe thunderstorm hit the state. The storm caused extensive damage and left thousands of households without power and water for several days.

5. On April 11, 1991, the Iowa Legislature passed a resolution renaming the town of Crossroads to Cumming, in honor of the Civil War hero and Iowa Governor, Samuel J. Kirkwood. The town is located in Warren County, Iowa and has a population of around 350 people.