"Samiljeol," or March 1st or Samil Movement Day in English, commemorates the resistance movement that rose up against the Japanese occupation of Korea on March 1, 1919. As one of Korea’s four major national commemorative days, Samil Movement Day encourages unity among Koreans and fosters a patriotic spirit inspired by the spirit of independence of March 1, 1919.

삼일절 관련 이미지

The Declaration of Independence	Poster Commemorating the March 1st Movement

As specified in the Preamble of the Constitution of the Republic of Korea [We, the people of Korea, proud of the resplendent history and traditions dating from time immemorial, hereby uphold the cause of the Provisional Republic of Korea Government born of the March First Independence Movement of 1919…], the March 1st Movement holds great significance in the history of the Korean independence movement.
That the movement was extremely meaningful as a determining factor in the Korean people’s desire to build an ideal nation based on strong resistance to the Japanese occupation of Korea and clear cultural, historical and racial concepts. achieve this, let us not deviate from the spirit we showed on the March 1st Movement last year.” His speech connotes what role the movement played to all who took part in the independence movement in Korea and abroad.
March 1 was designated as the national holiday under the name "Samiljeol" on October 1, 1949, one year after the establishment of the Korean government and the announcement of the legislated constitutional law.