The 1910 World Series was the championship series in Major League Baseball for the 1910 season. The seventh edition of the World Series, it was a best-of-seven playoff between the American League (AL) champion Philadelphia Athletics against the National League (NL) champion Chicago Cubs. The series was played from October 17 to 23, with the Athletics winning the series 4 games to 1, clinching the team's first World Series. This was the first major professional sports championship ever won by a Philadelphia-based team. Won the 1910 World Series on October 23, 1910. Wiki link