Adaptation to the Chinese calendar The earliest attestations of the festivals and customs surrounding are found in the Dongyi section of Volume 30 of the
Book of Wei (魏書 東夷傳), of the contemporary Chinese historical work called the
Records of the Three Kingdoms (三國志)
. The earliest records of celebrations are included in the 7th century Chinese historical works, called the
Book of Sui (隋書) and the
Old Book of Tang (舊唐書), containing excerpts of national rituals and festivals in
Silla in the 7th century. Discontinued practices for worshipping deities from the native folk religion such as the ones of the sun and moon are also mentioned. The oldest surviving Korean records of can be found in the (三國遺事), compiled in the 13th century. During the rule of Bicheo (also called Soji), 21st ruler of Silla, in 488 AD a number of unfortunate events surrounding an affair between a high ranking person responsible for shrines (宮主) and a noble, that coincided with a specific lineup of Zodiac signs led to the day also being nicknamed Daldo (怛忉). In 1910, Korea was officially annexed by the
Empire of Japan after years of war, intimidation and political machinations. During this period, the Japanese reiterated the prohibition of celebrating . The day is called , and the old new year became . After the
liberation of Korea in 1945 and prior to the
Korean War in 1950, the provisional Korean government designated the period from 1 to 3 January of the Gregorian calendar as a public new year holiday. In 1980s South Korea, there was widespread opinion among South Koreans that should be re-designated as a national holiday. Factors include respecting cultural traditions was raised, in addition to removing remnants of Japanese colonial rule and the South Korean dictatorship period especially under
Syngman Rhee and
Park Chung Hee. In response, the South Korean government declared that was a folk day from 1985 to 1988. In 1989, the
Roh Tae-woo administration accepted public opinion that the old New Year's Day should be re-vitalized, designating the original New Year as both the official Korean New Year and a national holiday. == Customs ==