1. Mississippi joined the United States as the 20th state on December 10, 1817. This was an important milestone for the state, as it marked its official recognition as a full-fledged member of the Union.

2. On December 1, 1955, Rosa Parks was arrested in Montgomery, Alabama for refusing to give up her seat on a public bus to a white passenger. This event sparked the Montgomery Bus Boycott, which lasted for over a year and became a pivotal moment in the civil rights movement. Although Parks was not from Mississippi, her courageous stand inspired many activists in the state to fight for equality and justice.

3. On December 1, 1862, the Battle of Coffeeville took place in Yalobusha County, Mississippi. Confederate troops under the command of Earl Van Dorn engaged Union forces led by William T. Sherman in a bloody clash that resulted in heavy casualties on both sides. Although the Confederates were eventually forced to withdraw, the battle proved that the Union army was capable of mounting a serious threat to the South.

4. On December 1, 1927, the Mississippi River flooded, causing widespread devastation in the state and other parts of the Midwest. The flood, which lasted for several months, was one of the worst natural disasters in American history, displacing hundreds of thousands of people and causing billions of dollars in damages.

5. On December 1, 2018, Mississippi State University clinched its first SEC championship in football, defeating the University of Alabama in the conference championship game. This was a historic moment for the Bulldogs, who had not won an SEC title in over 100 years of playing football. The victory was celebrated by fans across the state, and it cemented Mississippi State's place in the annals of college football history.