This article is about the real world. Hergé
Le Petit Vingtième ("The Little Twentieth") was the weekly youth supplement to the Belgian newspaper Le Vingtième Siècle ("The Twentieth Century") from 1928 to 1940. Hergé's comics series The Adventures of Tintin first appeared in it.
Le Petit Vingtieme, Tintin in the Land of the Soviets

The front page of the 1 May 1930 edition of Le Petit Vingtième, declaring "Tintin revient!" ("Tintin Returns!") from his adventure in the Soviet Union

Tintin publications

220px-Le Petit Vingtième number 32

Issue number 32 from 1934, featuring Tintin and Snowy.