1. North Dakota became a state: On January 6, 1889, North Dakota officially became a state. This was significant not just for the state, but for the country as a whole. North Dakota was one of four states that joined the Union in 1889, helping to shape the future of America.

2. The coldest day: On January 6, 1937, North Dakota experienced its coldest day on record. The temperature dropped to a bone-chilling -60 degrees Fahrenheit in Parshall, ND. This frigid temperature remains the coldest ever recorded in the state and is one of the coldest temperatures ever recorded in the United States.

3. The oil boom: The oil boom of North Dakota began on January 6, 1951. This date marks the start of the drilling of the Clarence Iverson No. 1 well, which would go on to produce an astounding 900 barrels of oil a day. This kickstarted an economic boom for the state, as thousands of jobs were created and the state's population grew rapidly.

4. A famous birth: North Dakota's own Angie Dickinson was born on January 6, 1931. She went on to become a famous actress, known for her roles in classic films like "Rio Bravo" and "Ocean's Eleven". Dickinson was born in Kulm, ND and attended college in the state before moving to Hollywood.

5. An important alliance: January 6, 2003 marked the signing of an important document between North Dakota and the Danish government. The agreement established a partnership between the two entities, with the goal of exploring common interests in areas like energy, education, and culture. This partnership remains strong to this day and has helped to create important opportunities for both North Dakotans and Danes.