The Yongle Grand Ceremony, compiled during the Yongle period of the Ming Dynasty, is the first record of the cabinet and an epic ceremony of China's classical works edited by Yao and Yao. Formerly known as "Classic Literature", it is an encyclopedic collection of China literature, with 22,937 volumes (60 volumes in the catalogue), 1 1095 volumes, about 370 million words, and 780 ancient and modern books. Encyclopedia Britannica called China's Ming Dynasty book Yongle Dadian "the largest encyclopedia in world history".