When was Pulitzer Prize for Editorial Cartooning created?

The Pulitzer Prize Board added an Editorial Cartoon category in 1922. Most of the winners have been single-panel illustrations, but the Board deviated from their usual pattern twice, selecting syndicated comic strips instead of standard editorial Cartoons.

The first comic strip to win a Pulitzer was Doonesbury, in 1975, written and drawn by Garry Trudeau (Universal Press Syndicate). Berke Breathed (The Washington Post Writers Group) won the second Pulitzer for his syndicated comic, Bloom County, in 1987.