“九·一八”前夕,日寇压境。天津宁园举行华北运动会。一声哨响,南开同学举旗排成“勿忘国耻”四个大字,全场振奋。在座的日本领事气急败坏,向当时的河北省长抗议。张伯苓(南开大学校长)虚与委蛇,把领头的学生严仁颖说了几句,事后又悄悄告诉严:“下回还这么办!”并在校内成立了东北研究会,编出教材让学生们了解富饶的东北。这一切都引起了日 On the eve of September 18, the Japanese invaded the country. Tianjin Ningyuan North China Games held. A whistle, Nankai students flag lined up “Do not forget the national shame ” four characters, the audience excited. The present Japanese consulter was in a hurry and protested against the governor of Hebei at the time. Zhang Boling (president of Nankai University) virtual and delegate snake, the leader Yan Yan said a few words, and later quietly told Yan: “and do so next time! ” And the establishment of the Northeast Research Council, compiled textbooks for students to understand The fertile northeast. All this caused the day