What is the birthdate of this Canadian former professional ice hockey player, who played in the National Hockey League for 12 seasons and scored the Cup-winning goal in the 1970 Stanley Cup Finals?
1970 Stanley Cup Finals: The 1970 Stanley Cup Finals was contested by the Boston Bruins and the St. Louis Blues, appearing in their third straight finals. 1970 Stanley Cup Finals:  Bobby Orr scored the Cup-winning goal on Glenn Hall, with an assist from Derek Sanderson, at forty seconds of overtime, and the subsequent image of Orr flying through the air, his arms raised in victory — he had been tripped by Blues' defenseman Noel Picard at the moment of shooting — is one of the most famous and recognized hockey images of all time. Bobby Orr: Robert Gordon Orr, OC (born March 20, 1948) is a Canadian former professional ice hockey player, widely acknowledged as one of the greatest hockey players of all time. Bobby Orr:  He played in the National Hockey League (NHL) for 12 seasons, starting with 10 with the Boston Bruins followed by two with the Chicago Black Hawks.
March 20, 1948