1. The Crazy Horse Memorial was dedicated on August 7, 1948.
On this day, the Crazy Horse Memorial in the Black Hills of South Dakota was dedicated to honor the life and legacy of the Lakota warrior Crazy Horse. The memorial remains a work in progress, but it currently stands as the world's largest mountain carving.

2. The town of Belle Fourche was founded on August 7, 1890.
Belle Fourche is located in western South Dakota and is known for its role as a transportation hub for the region's livestock industry. Today, it's also home to a number of popular tourist attractions, including the Center of the Nation Monument and the Tri-State Museum and Visitor Center.

3. The Great Flood of 1915 began on August 7.
One hundred and six years ago, a devastating flood swept through western South Dakota, causing millions of dollars in damage and claiming at least 87 lives. The flood was caused by a combination of heavy rainfall and the crumbling of earthen dams and reservoirs throughout the region.

4. Jim Abourezk was born on August 7, 1931.
Jim Abourezk is a former United States Senator from South Dakota who served from 1973 to 1979. He was the first American of Arab descent to be elected to the Senate, and he was known for his work on issues relating to Native American rights and energy policy.

5. The South Dakota State Fair begins on August 7, 2021.
This year's South Dakota State Fair will take place from August 26 to September 6 in Huron, South Dakota. The fair is a celebration of South Dakota agriculture and features a wide variety of livestock exhibitions, carnival rides, and food vendors.