Territories from this colony were ceded in 1940 to the dictator Phibun under pressure from (*) Japan, which launched operation Mei-Go, a coup d'etat in this colony that established three indigenous empires here.
The central bank of this colony issued its official currency, a silver coin called the piastre. Deserters from the Black Flag army were incorporated into units of native riflemen raised in this colony who mutinied in February 1930. Followers of Spiritism started a mass religious movement in this colony called the Great Way of the Third Time of Redemption. Territories from this colony were ceded in 1940 to the dictator Phibun under pressure from (*) Japan, which launched operation Mei-Go, a coup d'etat in this colony that established three indigenous empires here. This colony expanded following victory in a war sparked by the Paknam incident. All claims on this colony were relinquished at the Geneva Agreements in 1954, which followed the Battle of Dien Bien Phu. For 10 points, identify this French colony in Southeast Asia.
The central bank of this colony issued its official currency, a silver coin called the piastre.
French Indochina [or the Indochinese Federation; or Indochine française; or Đông Dương thuộc Pháp; accept any of the following regions within Indochina: Kampuchea, Annam]