- June 1, 1971 (The day that a short-lived production of You're a Good Man, Charlie Brown opened on Broadway)
- June 2, 1971
- June 3, 1971
- June 4, 1971
- June 5, 1971
- June 6, 1971
- June 7, 1971
- June 8, 1971
- June 9, 1971
- June 10, 1971
- June 11, 1971
- June 12, 1971
- June 13, 1971 (This strip is adapted in Snoopy, Come Home and in the shorts "Nobody Likes Me" and "It's Only Love" from the 2014 French TV series Peanuts)
- June 14, 1971
- June 15, 1971
- June 16, 1971
- June 17, 1971
- June 18, 1971
- June 19, 1971
- June 20, 1971
- June 21, 1971
- June 22, 1971
- June 23, 1971 (First panel: Patty is seen giving Snoopy a flower)
- June 24, 1971
- June 25, 1971 (Another rare strip with only an interaction between Sally and Lucy. This strip is adapted in Snoopy!!! The Musical)
- June 26, 1971
- June 27, 1971
- June 28, 1971
- June 29, 1971
- June 30, 1971
| ← May 1971 | July 1971 → |