1. In 1954, the United States Supreme Court handed down its landmark decision in Brown v. Board of Education, which declared segregation in public schools unconstitutional. This decision had direct implications for Kansas, as it was one of the states at the center of the court case.

2. On June 1, 1900, the state of Kansas introduced a new flag that featured a blue field with the state seal in the center. The seal depicted a sunflower, a nod to the state's status as the Sunflower State, as well as a buffalo, a reference to the state's pioneer heritage.

3. On June 1, 1914, the deadliest tornado in Kansas history ripped through the towns of Hillsboro, Lehigh, and McPherson, killing 34 people and causing widespread destruction. The tornado was later classified as an F5 on the Fujita scale, the highest possible rating.

4. On June 1, 1935, the AAA team in Wichita set a minor league baseball record by scoring 38 runs in a single game against the Amarillo Gold Sox. The game was played at Lawrence Stadium in Wichita and lasted for over three hours.

5. On June 1, 2007, Kansas became the first state in the country to enact a law requiring all new coal-fired power plants to reduce their greenhouse gas emissions. The law, which was signed by Governor Kathleen Sebelius, set a new standard for other states that were grappling with how to reduce their carbon footprints.