Events By Place Asia February 28 — An earthquake strikes Syria. The Tibetan invasion of China's Tang Dynasty's defeated. Emperor Xuanzong of Tang forbids all commercial vendors and shops in the Chinese capital city of Chang'an to copy and sell Buddhist sutras, so that the emperor can give the clergy of the Buddhist monasteries the sole right to distribute written sutras to the laity. Europe King Radbod of the Frisians defeats Charles Martel; Frisia becomes independent. Saragossa fa… (More on 714)