- May 1, 1961
- May 2, 1961
- May 3, 1961
- May 4, 1961 (First appearance of the "The Doctor is IN" sign on Lucy's psychiatry booth)
- May 5, 1961
- May 6, 1961
- May 7, 1961
- May 8, 1961 (This strip is adapted in the episode "School Is Out" from the 2014 French TV series Peanuts)
- May 9, 1961
- May 10, 1961 (This strip is adapted in Race for Your Life, Charlie Brown)
- May 11, 1961 (This strip is adapted in Play It Again, Charlie Brown. It was also adapted in the episode "Classic" from the 2014 French TV series Peanuts)
- May 12, 1961
- May 13, 1961
- May 14, 1961 (This strip is adapted in the episode "School Is Out" from the 2014 French TV series Peanuts)
- May 15, 1961
- May 16, 1961
- May 17, 1961
- May 18, 1961
- May 19, 1961
- May 20, 1961
- May 21, 1961
- May 22, 1961 (This strip was adapted in You're a Good Man, Charlie Brown)
- May 23, 1961 (The first appearance of Faron)
- May 24, 1961
- May 25, 1961
- May 26, 1961
- May 27, 1961
- May 28, 1961
- May 29, 1961
- May 30, 1961
- May 31, 1961
← April 1961 | June 1961 → |
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