1. South Dakota State Capitol cornerstone was laid – On March 26, 1908, the cornerstone for the South Dakota State Capitol building was laid in Pierre. The building was completed in 1910 and still serves as the seat of government for the state.

2. George S. Mickelson becomes governor – On March 26, 1987, George S. Mickelson was sworn in as the governor of South Dakota. He served until his death in a plane crash in 1993.

3. Mitchell Corn Palace construction begins – On March 26, 1892, construction began on the Mitchell Corn Palace, a unique building covered in corn and grain murals that serves as a popular tourist attraction to this day.

4. Monument unveiled for fallen firefighters – On March 26, 1999, a monument was unveiled in Oglala to honor the six firefighters who lost their lives in a wildfire on July 6, 1999.

5. Bear Butte added to National Register of Historic Places – On March 26, 1973, Bear Butte, a sacred site for many Native American tribes, was added to the National Register of Historic Places. It is also a state park and a popular destination for hiking and camping.