Berliner Weisse (alternative German spelling, Berliner Weiße) is a cloudy, sour wheat beer of around 3% abv. It is a regional beer from Northern Germany, mainly Berlin, dating back to the 16th century. By the 19th century, Berliner Weisse was the most popular alcoholic drink in Berlin, and 700 breweries produced it. By the late 20th century there were only two breweries left in Berlin producing the beer, and a handful in other parts of Germany. The name "Berliner Weisse" is protected in Germany, so it can only be applied to beers brewed in Berlin. However, there are a number of American and Canadian brewers who make a beer in the Berliner Weisse style, and use the name.
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