Assertion: sparkling wine | /r/HasProperty | blanquette de limoux
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text: Although the oldest recorded sparkling wine is Blanquette de Limoux, in 1531, the English scientist and physician Christopher Merret documented the addition of sugar to a finished wine to create a second fermentation six years before Dom Perignon joined the Abbey of Hautvillers and almost 40 years before it was claimed that he invented Champagne.