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It is not really in the interests of Japan's big two distillers to tell you too much about it but Japanese whisky had a prehistory. If you listen to the official versions from Nikka or Suntory, Japanese whisky started with a bang in 1919 or 1924. They have slightly different versions of the creation myth, emphasising the role of either Masataka Taketsuru or Shinjiro Torii in bringing the gospel of authentic whisky from Scotland, but basically they agree: quite suddenly, out of the blue, Japan started making proper Scotch style whisky.