1929 in comics

European publications

 * January 10: first publication of The Adventures of Tintin by Hergé, in the children's supplement Le Petit Vingtième in the newspaper Le Vingtième Siècle, with the story Les Aventures de Tintin, reporter du Petit "Vingtième", au pays des Soviets.

U.S. publications

 * January 7:
 * first appearance of ''Buck Rogers.
 * first appearance of Tarzan of the Apes.
 * January 16: Dell Comics publishes The Funnies #1, the first American newsstand comic book of all-original material. It lacked covers, and was in that way more like a newspaper insert, but was sold independently.
 * January 17: Popeye the Sailor is initiated with the character's first appearance in Thimble Theatre.