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In the 1918 World Series, the Red Sox defeated the Cubs four games to two.
The Boston Red Sox won the 1918 World Series over the Chicago Cubs by winning Game 6 by the score of 2-1.
1918
The Boston Red Sox defeated the Chicago Cubs 4 games to 2. Click on the '1918 World Series' link below to see a game by game breakdown.
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The earliest the World Series has ended was in 1918 when the final game was played on September 11.