On September 12, 1919, Zhao Yuanbee returned to Beijing to the University of Beijing to say: "On September 12, 1919, Zhao Yuanbee returned to Beijing to say: "On September 12, 1919, Zhao Yuanbee returned to Beijing to say: "On September 12, 1919, Zhao Yuanbee returned to Beijing to say: "On September 12, 1919, Zhao Yuanbee returned to Beijing to say: "On September 12, 1919, Zhao Yuanbee returned to Beijing to the University of Beijing to say: "On September 12, 1919, Zhao Yuanbee returned to Beijing to the University of Beijing to say: "On the occasion of this year, Zhao Yuanbee returned to the university for the national struggle, for the national struggle, for the national struggle, for the