1. In 1893, the first South Dakota State Fair was held in Huron on August 16, and since then, it has become an annual event, drawing thousands of visitors every year.

2. In 1977, the iconic Mount Rushmore National Memorial celebrated its 50th anniversary on August 16. The monument, which features the heads of four U.S. Presidents, is one of the most popular tourist attractions in South Dakota.

3. On August 16, 1932, a severe drought hit South Dakota, causing crop failures and economic hardship for farmers across the state. The drought, which lasted for several years, is still remembered as one of the worst natural disasters in South Dakota history.

4. In 1923, the Crazy Horse Memorial was started on August 16. The monument, which is still a work in progress, is being carved into a mountain in the Black Hills in honor of the Lakota warrior Crazy Horse.

5. On August 16, 1974, a major flood hit Rapid City, causing widespread damage and killing over 200 people. The flood was caused by heavy rainfall, and it remains one of the worst natural disasters in South Dakota history.