Categories: Articles to be expanded | Biological warfare | Law enforcement in Japan | Military police | Imperial Japanese Army | Military history of Japan during World War II The term Japanese war crimes refers to events which occurred during the period of Japanese imperialism, from the late 19th century until 1945. ... Nanjing Massacre March 1st Movement Sook Ching Massacre Last Empress of Korea Bataan Death March Manila Massacre Unit 731 Unit 516 Unit 100 Death Railway External links History of Japans biological weapons program. In Federation of American Scientists. 2000-04-16. ... Location within China Changchun (Simplified Chinese: 长春; Traditional Chinese: 長春; Hanyu Pinyin: ; Wade-Giles: Chang-chun) is the capital and largest city of Jilin province, located at the northeast of the Peoples Republic of China. ... Major districts of Shenyang. ... The Kantogun (Kanji: 関東軍; Nihon-shiki: Kantōgun; Postal System Pinyin: Kwantungchun; Pinyin: Guandongjun), more commonly known as the Kwantung Army or Guandong Army, was a unit of the Imperial Japanese Army (IJA). ... Combatants Republic of China Empire of Japan Commanders Chiang Kai-shek, Mao Tse-Tung, Yan Xishan, Feng Yuxiang, Zhu De, He Yingqin Hideki Tojo, Matsui Iwane, Jiro Minami, Kesago Nakajima, Toshizo Nishio, Yasuji Okamura. ... The Imperial Japanese Army (: 大日本帝國陸軍 Shinjitai: 大日本帝国陸軍 Dai-Nippon Teikoku Rikugun) was the official ground based armed force of Japan from 1867 to 1945 when it was Imperial Japan. ... Unit 100 was a secret Imperial Japanese Army facility that focused on the development of chemical weapons during World War II. It was operated by the Kempeitai, the Japanese military police. ... Unit 200 was a secret military medical unit of the Imperial Japanese Army that researched biological warfare and other topics through human experimentation during the Second Sino-Japanese War(1937-1945) and World War II era. ... now. ... Unit Ei 1644, also known as Unit 1644 was a medical research unit of the Japanese Imperial Army based in Nanjing, China. ... The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ... Unit 9420 or Oka Unit was formed in 1942 in Singapore by Naito Ryoichi. ...