Imna (English spelling)

Japanese: 任那 - みまな（英語表記）Imna

Also called "Ninna." A general term for the territorial states that Japan (Wa) held in the southern part of the Korean peninsula from the 4th to 6th centuries. Documents confirm that Japan had relations with the Korean peninsula during the Lelang and Daifang commandery periods (108 BC to 313 AD). In the 4th century, Goguryeo moved south and captured the Lelang commandery, and Daifang commandery was destroyed by the Han and Wi tribes around the same time. In the middle of the same century, Baekje was founded in the west and Silla was founded in the east. According to the Nihon Shoki, in order to gain an advantageous position in the peninsula, Japan sent a large army around 370 to bring the small states in the southern part of the peninsula under its control, and established the so-called "Mimana." The expression "Mimana Nihonfu" in the Nihon Shoki should not be interpreted as a later governor-general's office. After the 5th century, Mimana was divided due to instability in the Yamato government and the advances of Baekje and Silla, and was eventually destroyed in the 23rd year of the reign of Emperor Kinmei (562).

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

「にんな」ともいう。4～6世紀頃，朝鮮半島南部に日本 (倭) が領有していた属領的諸国の総称。日本が楽浪・帯方郡時代 (前 108～後 313) に朝鮮半島と交渉があったことは文献的に確認されている。4世紀に入ると，半島は高句麗が南下して楽浪郡を陥れ，同じ頃韓・濊 (わい) 諸族によって帯方郡が滅び，同世紀中頃には半島の西部に百済，東部に新羅が建国した。『日本書紀』によれば，このような半島の情勢に対して，日本は半島に有利な立場を築くため，370年前後に大軍を送って半島南部の諸小国群をその支配に繰入れ，いわゆる「任那」を成立させた。なお「任那日本府」という『日本書紀』の表現は後世の総督府的存在と解釈すべきではない。5世紀以後，大和政権の動揺と百済，新羅の進出によって任那は分割され，やがて欽明 23 (562) 年に滅亡した。

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