Nissen dōsoron is a theory that reinforces the idea that the Japanese people and the Korean people share a common ancestry. It was first introduced during the Japanese annexation of Korea in the early
Susanoo-no-Mikoto
Ancestry profile of Japanese genetic clusters illustrating their genetic similarities to four mainland Asian populations
From 1910 to 1945, Korea was ruled by the Empire of Japan as a colony under the name Chōsen, the Japanese reading of "Joseon".
Nissen dōsoron
…Ancestry') is a theory that reinforces the idea that the Japanese people and the Korean people share a common ancestry. It was first introduced during the Japanese annexation of Korea in the early 20th century by Japanese historians from Tokyo Imperial University after adopting pre-existing theories conceived during the Meiji era…
Japanese marines landing from the Unyo at Yeongjong Island which is near Ganghwa
Battle of Namdaemun in 1907 – Le Petit Journal
General power of attorney to Lee Wan-yong sealed and signed, by the last emperor, Sunjong on 22 August 1910 (융희4년; 隆熙4年)
Terauchi Masatake, the first Governor-General