- January 1, 1959 (This strip and the following two strips are adapted in A Boy Named Charlie Brown)
- January 2, 1959
- January 3, 1959
- January 4, 1959
- January 5, 1959
- January 6, 1959
- January 7, 1959
- January 8, 1959
- January 9, 1959
- January 10, 1959
- January 11, 1959
- January 12, 1959 (Start of a storyline adapted in the segment "Clinging Snoopy" of the 1983 The Charlie Brown and Snoopy Show episode "Linus' Security Blanket". The first, second and seventh strips respectively replace Violet with Lucy, Lucy with Sally, and Patty with Peppermint Patty.)
- January 13, 1959
- January 14, 1959
- January 15, 1959
- January 16, 1959
- January 17, 1959
- January 18, 1959
- January 19, 1959
- January 20, 1959
- January 21, 1959
- January 22, 1959 (End of a storyline adapted in the segment "Clinging Snoopy" of the 1983 The Charlie Brown and Snoopy Show episode "Linus' Security Blanket")
- January 23, 1959
- January 24, 1959
- January 25, 1959
- January 26, 1959
- January 27, 1959
- January 28, 1959
- January 29, 1959
- January 30, 1959
- January 31, 1959
