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 the debut special, 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 . It is also adapted in Play It Again, Charlie Brown , where Lucy kisses Schroeder , who reacts the same way she does)
December 13, 1965
December 14, 1965
December 15, 1965
December 16, 1965 (Beethoven's birthday )
December 17, 1965 (This strip is adapted in the segment "Yuletide Greetings from Linus" of the 2002 special Charlie Brown's Christmas Tales )
December 18, 1965
December 19, 1965
December 20, 1965
December 21, 1965 (Snoopy references the strips from January 25 , February 5, 1965 , and the one from a series of strips from August of that same year , where he saw his girlfriend )
December 22, 1965
December 23, 1965 (This strip is adapted in the segment "Peace on Earth from Lucy" of the 2002 special Charlie Brown's Christmas Tales )
December 24, 1965 (This strip is adapted in the episode "That Day " and "Winter Wonderland " from the 2014 French TV series Peanuts )
December 25, 1965 (This strip is adapted in the segment "Peace on Earth from Lucy" of the 2002 special Charlie Brown's Christmas Tales )
December 26, 1965
December 27, 1965
December 28, 1965
December 29, 1965 (This strip is adapted in the episode "That Day " from the 2014 French TV series Peanuts )
December 30, 1965 (This strip is adapted in What a Nightmare, Charlie Brown )
December 31, 1965 (This strip is adapted in Happy New Year, Charlie Brown )