- June 1, 1959
- June 2, 1959 (Sally Brown is named)
- June 3, 1959
- June 4, 1959
- June 5, 1959
- June 6, 1959 (Many of Snoopy's siblings would be introduced later, contradicting this strip's punchline. It can be assumed that Snoopy had forgotten about his siblings, as the future strips show that they live far away from Snoopy)
- June 7, 1959
- June 8, 1959
- June 9, 1959
- June 10, 1959 (Linus takes a romantic interest in Sally, a reversal of what would happen later)
- June 11, 1959
- June 12, 1959
- June 13, 1959
- June 14, 1959 (This strip is adapted in A Charlie Brown Christmas)
- June 15, 1959
- June 16, 1959
- June 17, 1959
- June 18, 1959
- June 19, 1959
- June 20, 1959
- June 21, 1959
- June 22, 1959
- June 23, 1959
- June 24, 1959
- June 25, 1959
- June 26, 1959
- June 27, 1959
- June 28, 1959
- June 29, 1959
- June 30, 1959
← May 1959 | July 1959 → |
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