Tangun is a legendary figure in Korean history, often regarded as the founder of the first Korean kingdom, Gojoseon. According to the myth, he was born in 2333 BCE and is said to be the son of a heavenly prince and a bear-woman, symbolizing the union of heaven and earth. The story of Tangun is an important part of Korean culture and identity. It emphasizes themes of creation and national origin, and his birth is celebrated in South Korea on Tangun Day, which falls on October 3rd each year. This day honors the mythological roots of the Korean people.