- March 1, 1980
- March 2, 1980 (This strip is adapted as the segment "Kite" in It's an Adventure, Charlie Brown)
- March 3, 1980
- March 4, 1980
- March 5, 1980
- March 6, 1980
- March 7, 1980
- March 8, 1980
- March 9, 1980 (Leo Tolstoy's 1869 novel War and Peace is referenced. This strip is adapted in Happy New Year, Charlie Brown!. Linus replaces Sally)
- March 10, 1980
- March 11, 1980 (This strip and the three following strips are adapted in the segment "Kite" from The Charlie Brown and Snoopy Show episode "Linus' Security Blanket")
- March 12, 1980 (This strip is adapted in the shorts "Don't Worry, Charlie Brown" and "No Strings Attached" from the 2014 French TV series Peanuts and used by running across the bottom that goes with the snowglobe of Charlie Brown stuck in the Kite-Eating Tree)
- March 13, 1980
- March 14, 1980
- March 15, 1980
- March 16, 1980 (This strip is adapted in It's Spring Training, Charlie Brown)
- March 17, 1980
- March 18, 1980
- March 19, 1980
- March 20, 1980
- March 21, 1980
- March 22, 1980 (Schulz had previously used this joke in the Li'l Folks comic strip May 9, 1948)
- March 23, 1980
- March 24, 1980
- March 25, 1980
- March 26, 1980
- March 27, 1980 (This strip is adapted in the segment "Charlie Brown and Lucy" from The Charlie Brown and Snoopy Show episode "Snoopy the Psychiatrist")
- March 28, 1980
- March 29, 1980
- March 30, 1980
- March 31, 1980 (Snoopy first appears as the World Famous Census Taker)
| ← February 1980 | April 1980 → |