April 1, 1967
April 2, 1967
April 3, 1967
April 4, 1967 (According to the official Peanuts website , this is the first appearance of Woodstock , although it is likely that Woodstock is the same upside-down flying bird that was introduced on March 4, 1966 )
April 5, 1967
April 6, 1967 (This strip is adapted in Snoopy!!! The Musical )
April 7, 1967
April 8, 1967 (This strip was recycled from the February 8, 1963 strip, although Linus replaces Charlie Brown.)
April 9, 1967 (This strip is adapted in the segment "Snoopy" from The Charlie Brown and Snoopy Show episode "Snoopy: Man's Best Friend ")
April 10, 1967
April 11, 1967 (This strip is adapted in A Boy Named Charlie Brown )
April 12, 1967 (This strip is used on the page for July 30 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar )
April 13, 1967
April 14, 1967
April 15, 1967
April 16, 1967 (This strip is adapted in the segment "Baseball" from The Charlie Brown and Snoopy Show episode "Snoopy's Cat Fight ")
April 17, 1967
April 18, 1967 (The first time Snoopy does the Cheshire Beagle trick. Beginning of a storyline that was later adapted in the segment "Snoopy's Trick" of the 1985 The Charlie Brown and Snoopy Show episode "Peppermint Patty's School Days ")
April 19, 1967
April 20, 1967
April 21, 1967
April 22, 1967
April 23, 1967
April 24, 1967
April 25, 1967
April 26, 1967
April 27, 1967
April 28, 1967
April 29, 1967
April 30, 1967