KOREA'S NATIONAL FOUNDATION DAY Gaecheonjeol — The Day the Sky Opened 개천절 (開天節)
KOREA'S NATIONAL FOUNDATION DAY Gaecheonjeol — The Day the Sky Opened 개천절 (開天節) October 3 — the day Korea marks the legendary founding of Gojoseon, its first kingdom, in 2333 BCE. October 3 · National holiday · Legal public holiday · Dangi year 4358 What is Gaecheonjeol? Gaecheonjeol (개천절, 開天節) means "the day the sky opened." It commemorates the legendary founding of Gojoseon — Korea's first state — in 2333 BCE by Dangun Wanggeom . Since October 1, 1949, when the Act on National Holidays (Law No. 53) was enacted, it has been a national holiday alongside March 1st Movement Day, Constitution Day and Liberation Day, and commemorative ceremonies are held across the country every October 3. Name Gaecheonjeol (개천절, 開天節) · English: National Foundation Day Date October 3 (national holiday, legal public holiday) Commemorates The founding of Gojoseon by Dangun in 2333 BCE (traditional date) Founding ideal Hongik Ingan (弘益人間) — "broadly benefit all humanity" K...