1. 1916 - North Dakota became the 36th state to ratify the 19th Amendment, granting women the right to vote. This was a historic moment in the fight for gender equality in America.

2. 1931 - The North Dakota State Capitol building was dedicated on February 3. The building, which is located in Bismarck, is an iconic example of Art Deco architecture and is listed on the National Register of Historic Places.

3. 1959 - North Dakota became the first state to establish a state-owned bank, the Bank of North Dakota. The bank was established to promote economic development within the state, and has since become an important part of North Dakota's economy.

4. 1971 - The Minot Air Force Base in North Dakota became the first base to operate the new Boeing B-52H Stratofortress bomber. The B-52 is one of the most iconic aircraft in American military history and remains in service to this day.

5. 1993 - The National Buffalo Museum in Jamestown, North Dakota was opened on February 3. The museum is dedicated to the history and preservation of the American bison, which has played an important role in North Dakota's history and culture.