1255 · All Facts

1255
The Hoogheemraadschap van Rijnland — dating from a 1255 charter — is the oldest water board in the Netherlands and a root of Dutch water democracy.
SrcDutch Water Authorities

Next evidence →Okunoshima Poison Gas MuseumŌkunoshima was a secret WWII poison-gas manufacturing site — erased from army maps — and today houses the Okunoshima Poison Gas Museum.

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