 
    History of NHL trades
 
   
    
| Montreal Canadiens acquire | Date | New York Rangers acquire | ||||
| 
 | April 26, 1940 | 
 | 
| New York Americans acquire | Date | Montreal Canadiens acquire | ||||
| 
 | January 3, 1940 | 
 | 
| Boston Bruins acquire | Date | Montreal Canadiens acquire | ||||
| 
 | November 29, 1939 | 
 | 
| Montreal Canadiens acquire | Date | Chicago Blackhawks acquire | ||||
| 
 | October 11, 1939 | 
 | 
| Boston Bruins acquire | Date | Montreal Canadiens acquire | ||||
| 
 | October 10, 1939 | 
 | 
| Montreal Canadiens acquire | Date | Chicago Blackhawks acquire | ||||
| 
 | May 15, 1939 | 
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