en.wikipedia.org/wiki/List_o… is an example of what is awesome about Wikipedia. (Used it to date an old map on @tian_ben's cube wall.)
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xkcd.com/1688/large/ would have made it even easier.
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Replying to @nnethercote @tian_ben
I knew it was 1919-1938 just from looking; Wikipedia reduced it to 1937-1938.

Jul 19, 2016 · 11:56 AM UTC