Event:
Baseball owners agree to ban Sunday doubleheaders until after June 15
More Notable Events on December 15:
1992 Arthur Ashe is named Sports Illustrated Sportman of Year
1990 Rocker Rod Stewart marries super model Rachel Hunter
1985 Sylvester Stallone and Brigitte Nielson wed
1973 Pirates of Caribbean ride opens at Disney World
1964 Canada adopts maple leaf flag
