Here are five events that happened on April 28 in Iowa history:

1. In 1848, the first issue of the Iowa State Register, Iowa's oldest newspaper still in operation, was published in Dubuque.
2. On April 28, 1852, the first land grant for what would become Iowa State College (now Iowa State University) was signed by President Millard Fillmore.
3. In 1896, the Iowa General Assembly passed the "Brick Capitol Bill," directing the construction of a new Capitol building in Des Moines after the original was destroyed in a fire.
4. On April 28, 1968, the deadliest tornado outbreak in Iowa history occurred, with 13 tornadoes causing significant damage and killing 18 people.
5. In 2017, the Iowa Legislature passed a bill legalizing the use of fireworks in the state for the first time in 80 years. The law took effect on June 1 of that year.