What does the Cubs' W flag mean and why do they fly it?

Americans, why do so many of you fly your flag outside of your

Chicago Cubs Fly The W Cubs Win Flag Poster

Flying The “W”. The History of the Iconic Cubs “W” Flag…

Cubs 'W' Flag Has Long History Beyond Wrigley Field - CBS Chicago

File:20080920 Cubs Win Flag at Ohio St. Beach.JPG - Wikipedia

Description The Cubs Win Flag is a victory flag that is flown at Wrigley Field after every Chicago Cubs home win. The flag is variously referred to by

Chicago Cubs Win Flag

Shortstops: Fly the W Baseball Hall of Fame

Imrem: For Chicago Cubs fans, flying the W a winning ritual

Chicago Cubs: W Flag Wall Decal

World Series spotlight shifts to Chicago and Wrigley Field

Fly the W Flag

The History Behind Wrigley Field – Ballpark Vibes

The History of the Cubs W Flag

The Story Behind Fly The W – BestFlag