* Mafalda first appears in the weekly Primera Plana on September 29, 1964.
* Mafalda meets Felipe on January 19, 1965.
* Mafalda (and Quino) leave Primera Plana for the newspaper El Mundo on March 9, 1965, where she meets Manolito and Susanita.
* El Mundo closes down on December 22, 1967, but Mafalda goes on at the weekly Siete Dias in 1968.
* Quino discontinues Mafalda in 1973.