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In page Lady Randolph Churchill:

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The invention of the Manhattan cocktail is sometimes attributed to Jennie Churchill, who supposedly asked a bartender to make a special drink to celebrate the election of Samuel J. Tilden to the New York governorship in 1874. However, there is some dispute over whether the drink was invented by the Manhattan Club (an association of New York Democrats) on that occasion, if Jennie promoted the idea, or if it was misattributed.[citation needed]