September 18 has several significant events in North Dakota's rich history. Here are five interesting facts about this day:

1. In 1873, the Northern Pacific Railroad completed its line and established Fargo, North Dakota, as a major transportation hub. The arrival of the railroad opened up new opportunities for settlers and businesses, making Fargo an important economic center in North Dakota's early days.

2. In 1911, construction began on the Garrison Dam, which would eventually become one of North Dakota's largest dams. The dam was built on the Missouri River to provide hydroelectric power and irrigation for the surrounding area. Today, the Garrison Dam still provides electricity and water for the region and is a popular tourist destination.

3. In 1920, North Dakota made history by becoming the first state to elect a woman governor. Democratic candidate Lynn Frazier won the election and went on to serve two terms as governor.

4. In 1964, The University of North Dakota (UND) made another milestone by announcing the creation of a new program, the first of its kind in the country. The Space Studies Program was designed to help prepare students for careers in the growing field of space exploration and research.

5. In 1992, North Dakota experienced one of its worst floods in history. Heavy rains caused the Red River to overflow, devastating Fargo and other nearby towns. The flood caused over $1 billion in damage and forced thousands of residents to evacuate their homes. However, the community came together to provide support and assistance, showcasing the resilience and strength of North Dakota's people.

In conclusion, September 18 has played a significant role in North Dakota's history, from the arrival of the railroad to groundbreaking programs and devastating natural disasters. These five interesting facts show the diversity and richness of North Dakota's past.