 Three Confederate States of Gojoseon

The three Gojoseon kingdoms are states noted in history texts such as "Joseon Sangosa" (1924–25), and have been researched by several historians, although not completely accepted by all scholars.In popular Korean history, drawing on the Korean founding myth, Gojoseon (고조선, 2333 BC – 239 BC) was an early state of Korea that was established around Liaoning, southern Manchuria, and the northern Korean peninsula.