1. On October 12, 1889, North Dakota was admitted as the 39th state of the United States. This momentous occasion marked the end of a long struggle for statehood and the beginning of a new era for the people of North Dakota.

2. October 12, 1898, marked the birth of Dorothy Stickney, a well-known stage and screen actress from Dickinson, North Dakota. Stickney appeared in numerous films and television shows throughout her career and was known for her standout performances in productions such as "Nunsense" and "Arsenic and Old Lace."

3. On October 12, 1960, a United States Air Force Boeing B-52 Stratofortress carrying two nuclear weapons crashed near the town of Rice Lake, North Dakota. While the bombs did not detonate, the incident sparked concerns about the safety of atomic weapons and highlighted the potential dangers of nuclear accidents.

4. October 12, 1964, was the date of the groundbreaking ceremony for the Garrison Dam on the Missouri River near Riverdale, North Dakota. The dam, which was completed in 1953, created Lake Sakakawea and provided hydroelectric power and irrigation to the surrounding areas.

5. On October 12, 1985, the North Dakota State Bison football team defeated the University of North Dakota Fighting Sioux by a score of 7-0 in the first-ever meeting between the two teams. The rivalry between the two schools is one of the oldest and most intense in college football and is known as the "Fargo Brawl."