1. Fargo Great Flood of 1897:
On October 17, 1897, Fargo experienced one of the greatest floods in its history. The Red River rose rapidly due to heavy rainfall and overflowed its banks, causing widespread damage and destruction. The flood led to the evacuation of thousands of residents and the loss of hundreds of homes and businesses.

2. Theodore Roosevelt visited North Dakota:
On October 17, 1910, former President Theodore Roosevelt visited North Dakota to attend the dedication of a monument in honor of his Rough Riders regiment. Roosevelt had formed the regiment during the Spanish-American War and led them to victory at the Battle of San Juan Hill.

3. Minot Air Force Base established:
On October 17, 1956, the Minot Air Force Base was established in North Dakota. The base plays a crucial role in the defense of the United States, and it is home to the 5th Bomb Wing, the 91st Missile Wing, and other important units.

4. First Indigenous Women’s March:
On October 17, 2016, Native American women marched in North Dakota to highlight issues of gender-based violence and other challenges facing Indigenous communities. The march was part of the larger movement sparked by the protests against the proposed Dakota Access Pipeline.

5. The Enchanted Highway was completed:
On October 17, 1991, the last of the sculptures on the Enchanted Highway in North Dakota was completed. The 32-mile highway features several large sculptures created by local artist Gary Greff, which attract visitors from all over the world. Overall, October 17 holds significant events in the history of North Dakota, including natural disasters, political visitors, military installations, native activism, and cultural landmarks.