1. On July 26, 1882, the first train arrived in Bismarck, North Dakota, marking the completion of the Northern Pacific Railroad's transcontinental line. The arrival of the train was a significant moment in the state's history, as it opened up access to transportation and commerce across the country.

2. In 1911, North Dakota suffragist Helen M. Robinson became the first woman to address the National Farmers' Congress, which was held in Fargo on July 26 of that year. Robinson, who was a leader in the women's suffrage movement, spoke on the topic of "The Relation of Women to Agriculture."

3. July 26, 1933, marked the opening of Theodore Roosevelt National Park in western North Dakota. The park is named after the former president, who was a longtime advocate for conservation and preservation of natural resources. Today, Theodore Roosevelt National Park attracts thousands of visitors each year who come to explore the park's scenic landscape and wildlife.

4. On July 26, 1956, the U.S. Air Force launched a B-47 bomber from Minot Air Force Base in North Dakota to make the first non-stop transatlantic flight powered by jet engines alone. The bomber, which was piloted by Lt. Col. James F. Horne, traveled 3,624 miles from North Dakota to a landing in the United Kingdom in just over six hours.

5. July 26, 2020, marked the announcement of a significant oil discovery in North Dakota's Bakken formation. The discovery, which was made by oil and gas company ConocoPhillips, was estimated to hold up to 1 billion barrels of recoverable oil. The discovery is significant for the state's economy, as North Dakota is one of the largest oil-producing states in the country.