December 1, 1965 (Part of a series of strips which were later reprinted in the book Security is an Eye Patch , published by the U.S. Department of Health, Education and Welfare in 1968)
December 2, 1965
December 3, 1965
December 4, 1965
December 5, 1965
December 6, 1965
December 7, 1965
December 8, 1965
December 9, 1965 (The day that A Charlie Brown Christmas first aired)
December 10, 1965
December 11, 1965
December 12, 1965 (This strip is adapted in A Charlie Brown Christmas and The Peanuts Movie )
December 13, 1965
December 14, 1965
December 15, 1965
December 16, 1965 (Beethoven's birthday )
December 17, 1965 (This strip is adapted in Charlie Brown's Christmas Tales )
December 18, 1965
December 19, 1965
December 20, 1965
December 21, 1965
December 22, 1965
December 23, 1965 (This strip is adapted in Charlie Brown's Christmas Tales )
December 24, 1965
December 25, 1965 (This strip is adapted in Charlie Brown's Christmas Tales )
December 26, 1965
December 27, 1965
December 28, 1965
December 29, 1965
December 30, 1965 (This strip is adapted in What a Nightmare, Charlie Brown )
December 31, 1965