1. On January 19, 1891, the first meeting of the South Dakota State Board of Agriculture was held in Sioux Falls. This board was responsible for promoting agriculture, horticulture, and animal husbandry in South Dakota.

2. In 1962, a deadly blizzard hit South Dakota on January 19. The storm lasted for three days, dumping over a foot of snow and causing winds of up to 80 miles per hour. As a result, over 50 people lost their lives and tens of thousands of cattle perished.

3. On January 19, 1920, South Dakota became the 36th state to ratify the 19th Amendment, which granted women the right to vote. This was a significant milestone in the women's suffrage movement, and South Dakota played an important role in its success.

4. In 1964, the largest recorded earthquake in South Dakota history occurred on January 19. The earthquake had a magnitude of 4.1 and was centered near the town of Edgemont, in the southwestern part of the state. Although there was no serious damage reported, the earthquake was felt in several surrounding states.

5. On January 19, 2002, the Deadwood Historic Preservation Commission was established to oversee the preservation and restoration of the town's historic buildings and properties. Deadwood is a popular tourist destination in South Dakota, known for its rich history as a gold mining town in the late 1800s.