Analysis of information sources in references of the Wikipedia article "Pertempuran Rawa Chosin" in Indonesian language version.
Fighting around the Choshin Reservoir*... *This was the Japanese name for the reservoir, the term being derived from the ruling "Chosŏn" dynasty, which ended just 13 years before the Japanese occupation beginning in 1910. The name American also rendered it as Chosin or Chosen. The proper Korean name is Changjin.