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Official Site of the National Hockey League
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On December 19, 1917 the first NHL games were played. The Montreal Wanderers beat Toronto Hockey Club (later known as the Arenas) 10-9, while the Montreal Canadiens defeated the Ottawa Senators 7-4.
Ottawa Senators (original) - Wikipedia
History of the Montreal Canadiens - Wikipedia
The Montreal Wanderers – Canadian History Ehx
Official Site of the National Hockey League
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History of the Montreal Canadiens - Wikipedia