Unit 731, short for Manshu Detachment 731 and also known as the Kamo Detachment and the Ishii Unit, was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that engaged in lethal human experimentation and biological weapons manufacturing during the Second Sino-Japanese War (1937–1945) and World War II. It killed an estimated 200,000 to 300,000 people. It was based in the Pingfang district of Harbin, the largest city in the Japanese puppet state of Manchukuo (now Northeast China, formerly named Manchuria) and had active branch offices throughout China and Southeast Asia.
Doolittle RaidThe Doolittle Raid, also known as Doolittle's Raid, as well as the Tokyo Raid, was an air raid on 18 April 1942 by the United States on the Japanese capital Tokyo and other places on Honshu during World War II. It was the first American air operation to strike the Japanese archipelago. Although the raid caused comparatively minor damage, it demonstrated that the Japanese mainland was vulnerable to American air attacks. It served as an initial retaliation for the December 7, 1941 attack on Pearl Harbor, and provided an important boost to American morale.
Comfort womenComfort women or comfort girls were women and girls forced into sexual slavery by the Imperial Japanese Army in occupied countries and territories before and during World War II. The term "comfort women" is a translation of the Japanese ianfu (慰安婦), which literally means "comforting, consoling woman". During World War II, Japanese troops forced hundreds of thousands of women from Korea, the Philippines, Vietnam, China, and other countries into brothels where they were sexually enslaved and repeatedly raped.
MengjiangMengjiang, also known as Mengkiang or the Mongol Border Land, officially referred to as the Mengjiang United Autonomous Government, was an autonomous area in Inner Mongolia, formed in 1939 as a puppet state of the Empire of Japan, then from 1940 being under the nominal sovereignty of the Reorganized National Government of the Republic of China (which was itself also a puppet state). It consisted of the previously Chinese provinces of Chahar and Suiyuan, corresponding to the central part of modern Inner Mongolia.
Mariana IslandsThe Mariana Islands (ˌmæriˈɑːnə ; Manislan Mariånas), also simply the Marianas, are a crescent-shaped archipelago comprising the summits of fifteen longitudinally oriented, mostly dormant volcanic mountains in the northwestern Pacific Ocean, between the 12th and 21st parallels north and along the 145th meridian east. They lie south-southeast of Japan, west-southwest of Hawaii, north of New Guinea and east of the Philippines, demarcating the Philippine Sea's eastern limit.
Bombing of TokyoThe Bombing of Tokyo was a series of firebombing air raids by the United States Army Air Force during the Pacific campaigns of World War II. Operation Meetinghouse, which was conducted on the night of 9–10 March 1945, is the single most destructive bombing raid in human history. of central Tokyo were destroyed, leaving an estimated 100,000 civilians dead and over one million homeless. In comparison, the atomic bombing of Hiroshima in August 1945 resulted in the immediate death of between 70,000 and 150,000 people.
Incendiary deviceIncendiary weapons, incendiary devices, incendiary munitions, or incendiary bombs are weapons designed to start fires or destroy sensitive equipment using fire (and sometimes used as anti-personnel weaponry), using materials such as napalm, thermite, magnesium powder, chlorine trifluoride, or white phosphorus. Though colloquially often known as bombs, they are not explosives but in fact are designed to slow the process of chemical reactions and use ignition rather than detonation to start or maintain the reaction.
Japanese Instrument of SurrenderThe Japanese Instrument of Surrender was the written agreement that formalized the surrender of the Empire of Japan, marking the end of hostilities in World War II. It was signed by representatives from the Empire of Japan and from the Allied nations: the United States of America, the Republic of China, the United Kingdom of Great Britain and Northern Ireland, the Union of Soviet Socialist Republics, the Commonwealth of Australia, the Dominion of Canada, the Provisional Government of the French Republic, the Kingdom of the Netherlands, and the Dominion of New Zealand.
BattleshipA battleship is a large armored warship with a main battery consisting of large caliber guns. It dominated naval warfare in the late 19th and early 20th centuries. The term battleship came into use in the late 1880s to describe a type of ironclad warship, now referred to by historians as pre-dreadnought battleships. In 1906, the commissioning of into the United Kingdom's Royal Navy heralded a revolution in the field of battleship design.
ConvoyA convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support and can help maintain cohesion within a unit. It may also be used in a non-military sense, for example when driving through remote areas. Naval convoys have been in use for centuries, with examples of merchant ships traveling under naval protection dating to the 12th century.