Complex sentence: In 1922, Maison Revel engaged the famous Italian poster art designer Leonetto Cappiello to create the famous ad representing three people with umbrellas, it was published by the fine parisian printer's firm, Devambez, in the name of "Les Nouvelles Affiches Leonetto Cappiello".
Split into simpler sentences: In 1922, Maison Revel engaged the famous Italian poster art designer Leonetto Cappiello to create this famous ad representing three people with umbrellas. It was published by the fine parisian printer's firm, Devambez, in the name of "Les Nouvelles Affiches Leonetto Cappiello".