1. North Dakota Statehood: August 18, 2021, marks the 132nd anniversary of North Dakota's statehood. North Dakota became the Union's 39th state on August 18, 1889, alongside South Dakota making both Dakota territories a part of the US.

2. Hettinger County Incorporated: Hettinger County in western North Dakota was officially incorporated on August 18, 1885. The county's name honors Mathias Hettinger, a German immigrant who worked for the Northern Pacific Railroad and helped establish many towns in North Dakota.

3. Dickinson Outdoor Amphitheater Opens: On August 18, 2017, the new Dickinson Outdoor Amphitheater officially opened on the campus of Dickinson State University. The amphitheater is a stunning and versatile arts and entertainment space that can hold up to 2,000 guests.

4. Theodore Roosevelt National Park Established: On August 18, 1947, President Harry S. Truman signed legislation that established Theodore Roosevelt National Park, named after the 26th President of the United States. The park comprises three sections in North Dakota's Badlands, including the North Unit, South Unit, and Elkhorn Ranch Unit.

5. First North Dakota State Fair: The First North Dakota State Fair took place on August 18, 1922, in Fargo, North Dakota. The fair is an annual event that celebrates agriculture, food, culture, and entertainment in the state, drawing over 300,000 visitors annually. Today, the North Dakota State Fair takes place in Minot, starting on the third Friday in July and lasting for 9 days.