1. Groundhog Day: February 2 is celebrated as Groundhog Day all around the world. In South Dakota, the celebration of the day is centered around the most famous groundhog: Punxsutawney Phil. Phil's shadow is seen as a sign that winter will continue for another six weeks. The local community gathers to watch the annual Groundhog Day ceremony in Pennsylvania.

2. South Dakota Statehood Day: February 2 is an important day for South Dakota as it is Statehood Day. On this day in 1889, South Dakota became the 40th state in the United States. People in the state celebrate the day to commemorate their ancestors who worked hard to make their state successful.

3. Native American Heritage Month: In South Dakota, the month of February is dedicated to honoring the rich history and traditions of Native American communities across the state. This special month aims to educate people about the state's indigenous people who have lived in the area for thousands of years.

4. Black Hills Stock Show & Rodeo: The Black Hills Stock Show and Rodeo is a popular annual event that takes place in February. It is considered one of the largest agricultural events in the region and draws in thousands of visitors each year. The event involves showcasing of livestock, various agricultural booths, and contests.

5. Deadwood's Mardi Gras: Another interesting thing that takes place in South Dakota on February 2 is the celebration of Mardi Gras in the city of Deadwood. The city transforms into a carnival of sorts with parades, masquerade balls, and live music. It is a fun and colorful event that attracts both locals as well as tourists from other parts of the country.