1. On March 3, 1881, the Dakota Territory was divided by an act of Congress. This led to the creation of the separate states of North Dakota and South Dakota on November 2, 1889.

2. March 3, 1919, was a significant day for women's suffrage in North Dakota. On this day, the state became the 15th in the United States to ratify the 19th Amendment to the Constitution, which granted women the right to vote.

3. In 1942, March 3 was the date of the largest snowstorm ever recorded in North Dakota history. The storm dropped over 20 inches of snow on the state, causing widespread travel disruptions and power outages.

4. On March 3, 1973, a historic event took place at Minot Air Force Base in North Dakota. This was the signing of the Strategic Arms Limitation Treaty (SALT II) between the United States and the Soviet Union. It was the first time in history that the two superpowers had agreed to limit the number of nuclear weapons in their respective arsenals.

5. March 3, 2000, was a milestone for the agricultural industry in North Dakota. On this day, President Bill Clinton signed the Commodity Futures Modernization Act, which provided a regulatory framework for futures trading of agricultural commodities. This provided a new level of predictability and stability for farmers and the agricultural industry in North Dakota and across the country.