1. On February 4, 1904, the state legislature of North Dakota passed a law making it illegal to manufacture or sell margarine in the state. The law stayed in effect until 1967.

2. In 1936, an intense blizzard struck North Dakota on February 4 and lasted for three days. The storm was so severe that it paralyzed the state, cutting off power, communications, and transportation.

3. On February 4, 1950, the University of North Dakota hockey team played its first game in history against Gustavus Adolphus College. The team won the game 13-1.

4. In 1971, on February 4, the North Dakota Legislative Assembly created the North Dakota State Board of Higher Education, which oversees the state's system of higher education.

5. On February 4, 2010, Daryl Dorgan, a former Democratic state senator from North Dakota, died at the age of 65. Dorgan was known for his work in environmental conservation and advocating for rural issues in the legislature.