Known as the world 1 calligraphy works are

Preface to Lanting Collection. Preface to Lanting Collection is the work of Wang Xizhi, a calligrapher of Jin Dynasty in China. In April, 353 (Jin Yong and the third day of March 9th), Wang Xizhi, Xie An and Sun Chuo, who were then folk history of Huiji, drank and wrote poems in Ji Ya, Lanting, Huiji, Yin Shan. Wang Xizhi met his friends at the foot of Zhu Lan Mountain in Shaoxing, Zhejiang Province, and wrote "the best calligraphy in the world". This is a true copy of Zhaoling.