1. On May 30, 1868, the Arkansas Republican Party was founded in Little Rock. African Americans played a crucial role in the party's formation and success during Reconstruction.

2. In 1917, the first Memorial Day service was held in Little Rock's MacArthur Park. The event was organized by the United Confederate Veterans to honor soldiers who had died in the Civil War.

3. On May 30, 1969, a tornado outbreak struck central Arkansas, killing 14 people and injuring over 350. The town of Beebe was particularly hard hit, with a destructive twister that destroyed homes and businesses.

4. In 1972, Arkansas Governor Dale Bumpers signed a bill repealing the state's ban on interracial marriages. The law had been in place since 1838 and had been used to prosecute and imprison couples who defied it.

5. On May 30, 2009, the Arkansas River flooded in parts of the state, causing widespread damage and displacement. The flooding was the result of heavy rainfall and caused millions of dollars in damage to homes, businesses, and infrastructure.