Peanuts Wiki
- December 1, 1979
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- December 2, 1979
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- December 3, 1979 (This strip is adapted in the segment "Peace on Earth from Lucy" of the 2002 special Charlie Brown's Christmas Tales)
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- December 4, 1979
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- December 5, 1979
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- December 6, 1979
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- December 7, 1979
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- December 8, 1979 (This strip is adapted in the segment "Peace on Earth from Lucy" of the 2002 special Charlie Brown's Christmas Tales)
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- December 9, 1979
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- December 10, 1979
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- December 11, 1979
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- December 12, 1979
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- December 13, 1979
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- December 14, 1979
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- December 15, 1979
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- December 16, 1979
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- December 17, 1979
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- December 18, 1979
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- December 19, 1979
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- December 20, 1979
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- December 21, 1979
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- December 22, 1979
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- December 23, 1979
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- December 24, 1979 (This strip is adapted in It's Christmastime Again, Charlie Brown)
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- December 25, 1979
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- December 26, 1979
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- December 27, 1979
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- December 28, 1979
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- December 29, 1979
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- December 30, 1979
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- December 31, 1979 (This strip ends the first full year of Peanuts without Violet appearing since 1950. Speaking of that, this is the final strip in the 70's)
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| ← November 1979 | January 1980 → |