On the afternoon of June 1st, Nankai Economic History Forum of Nankai Economic Lecture Hall visited the Professor Roy Bin Wong, distinguished professor from the History Department of the University of California, Los Angeles, a representative figure of the California School, to give a wonderful report entitled: How China's Long History Shaped 20th-Century China's Transition to Becoming a National State for teachers and students of Nankai University. Professor Wang Yuru, director of the Center for Economic History Studies, presided over the lecture and expressed sincere welcome to Professor Roy Bin Wong. Nearly 100 teachers and students enthusiastically participated in the lecture and had a heated discussion with the academic Master .