Ypsilon, the Dutch know it, right? They even named a river near Amsterdam after it. Or was it the other way around? This time, it's all about the letter Ypsilon and the confusing way the Dutch use it. For more on the long ij and the short ei, see: • Hey ihr! Heißt es "ei" oder "ij"? | NL mit... Music: Kevin McLeod: Easy Lemon, CCBY Map of the IJsselmeer: Scipius Voyager CCBYSA3 Sail Het IJ: Christian Müller CCBYSA4 IJssalon: Donald Trung CCBYSA4 https://creativecommons.org/use-remix...