- July 1, 1999
- July 2, 1999
- July 3, 1999
- July 4, 1999
- July 5, 1999
- July 6, 1999
- July 7, 1999
- July 8, 1999
- July 9, 1999
- July 10, 1999
- July 11, 1999 (Peggy Jean breaks up with Charlie Brown. The final appearance of Peggy Jean)
- July 12, 1999 (This strip is adapted as the short "Back To School" from the 2014 French TV series Peanuts)
- July 13, 1999 (Linus is revealed to have some feelings for the Little Red-Haired Girl)
- July 14, 1999
- July 15, 1999
- July 16, 1999
- July 17, 1999 (Final appearance of the brick wall)
- July 18, 1999
- July 19, 1999
- July 20, 1999
- July 21, 1999
- July 22, 1999
- July 23, 1999
- July 24, 1999
- July 25, 1999
- July 26, 1999 (This strip is used on the page for August 7 of the Dayspring Peanuts: A Year's Worth of Smiles and Blessings Desk Calendar)
- July 27, 1999
- July 28, 1999
- July 29, 1999
- July 30, 1999
- July 31, 1999 (This strip is used on the page for August 5 of the Dayspring Peanuts: A Year's Worth of Smiles and Blessings Desk Calendar)
