History of NHL trades
| Washington Capitals acquire | Date | Pittsburgh Penguins acquire | ||||
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October 1, 1977 |
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| Washington Capitals acquire | Date | Pittsburgh Penguins acquire | ||||
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November 26, 1975 |
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| Atlanta Flames acquire | Date | Pittsburgh Penguins acquire | ||||
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January 4, 1974 |
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| Minnesota North Stars acquire | Date | Atlanta Flames acquire | ||||
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June 6, 1972 |
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| Montreal Canadiens acquire | Date | Minnesota North Stars acquire | ||||
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May 1, 1971 |
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