By the 1880s, the book was extremely popular throughout the English-speaking world, to the extent that numerous "Omar Khayyam clubs" were formed and there was a "fin de siècle cult of the Rubaiyat".
The famed "skull and roses" poster for a Grateful Dead show at the Avalon Ballroom done by Alton Kelley and Stanley Mouse was adapted from Edmund J. Sullivan's illustrations for The Rubaiyat of Omar Khayyam.