October 6. In game four of the 1945 World Series in Chicago Billy Sianis and his goat are banished from the ballpark.

October 6, 1945.  In game four of the World Series in Chicago Billy Sianis and his goat are banished from Wrigley Field, beginning the jinx that haunts the Chicago Cubs even today.Artwork showing Wrigley Field, on a postcard issued in the 1940s.