National Foundation Day in Korea, also known as 개천절 (Gaecheonjeol), is celebrated annually on October 3rd. It commemorates the legendary founding of Korea by 단군왕검 (Dangun Wanggeom), who is said to have established the first Korean kingdom of 고조선 (Gojoseon) in 2333 BCE. The day is a national holiday in South Korea, marked by ceremonies and events that honor Korea’s ancient heritage and cultural roots.
