In what year was the "puppet state" in which Liu Menggeng a politician/physician abolished?
Liu Menggeng: Liu Menggeng () (1881–19??) Manchukuo: Manchukuo (: "Mǎnzhōuguó"literally: " State of Manchuria" ) was a puppet state in Northeast China and Inner Mongolia, which was governed under a form of constitutional monarchy. Manchukuo:  Manchukuo's government was abolished in 1945 after the defeat of Imperial Japan at the end of World War II.
1945