対華21カ条要求
On the afternoon of May 4 over 4,000 students of Yenching University, Peking University and other schools marched from many points to gather in front of Tiananmen. They shouted such slogans as "struggle for the sovereignty externally, get rid of the national traitors at home", "do away with the Twenty-One Demands", and "don't sign the Versailles Treaty".