Tags: Holiday.
Gaecheonjeol (Korean: 개천절) is a public holiday in South Korea on 3 October. Also known by the English name National Foundation Day this holiday celebrates the creation of the state of Gojoseon (ancient Korea) founded by Dangun Wanggeom in the year 2333 BC. Gaecheonjeol is also recognized in North Korea although not as a public holiday with an annual ceremony at the Mausoleum of Tangun.