- April 1, 1969
- April 2, 1969
- April 3, 1969
- April 4, 1969
- April 5, 1969
- April 6, 1969
- April 7, 1969
- April 8, 1969
- April 9, 1969
- April 10, 1969
- April 11, 1969 (The first time Snoopy fails to remember his master's name)
- April 12, 1969
- April 13, 1969
- April 14, 1969 (The first time that Snoopy specifically calls Charlie Brown "that round-headed kid")
- April 15, 1969
- April 16, 1969 (This strip was an inspiration for "Mother's Day" from Snoopy!!! The Musical)
- April 17, 1969
- April 18, 1969
- April 19, 1969
- April 20, 1969
- April 21, 1969
- April 22, 1969
- April 23, 1969
- April 24, 1969
- April 25, 1969
- April 26, 1969
- April 27, 1969
- April 28, 1969
- April 29, 1969
- April 30, 1969
← March 1969 | May 1969 → |