1. Statehood Celebration: December 10, 2014, marked the 125th anniversary of South Dakota's statehood. To celebrate, a time capsule was sealed in the Capitol building in Pierre.

2. Blizzard of 1888: On December 10, 1888, a massive blizzard swept through South Dakota, known as the "Children's Blizzard." Over 200 people lost their lives, many of them school children who were trapped by the storm.

3. Deadwood's Murder Mystery: On December 10, 1876, Wild Bill Hickok was shot and killed in Deadwood. The murder mystery has fascinated historians and the public for over a century.

4. Homestake Mine Disaster: On December 10, 1901, the Homestake Mine in Lead experienced a tragic disaster. A fire broke out, killing five miners and trapping others underground.

5. Nobel Prize Winner: On December 10, 1986, South Dakotan physicist Ernest Lawrence won the Nobel Prize in Physics for his work in developing the cyclotron. The cyclotron has since become a standard tool for particle accelerators.