众所周所，以1937年卢沟桥事变为开端，中日全面战争爆发，中国人民由此开始了长达八年艰苦卓绝的抗日战争。然而，抗战之初，中国政府并未正式对日宣战，只是在sq14日发表《自卫抗战声明书》，表示中国面对侵略，行使“自卫权”奋起抗战，抵御外侮。对日正式宣战，则是在战争? All around us, with the incident of Marco Polo Bridge beginning in 1937, the outbreak of the Sino-Japanese comprehensive war broke out. As a result, the Chinese people started the arduous war of resistance against Japan for eight years. However, at the beginning of the war of resistance against Japan, the Chinese government did not formally declare war on Japan, but issued “Declaration of Self-Defense War” on the 14th day of the Anti-Japanese War, stating that in the face of aggression and exercising its “right to self-defense”, China has risen to fighting the Japanese aggression and resisting foreign aggression. To declare war on Japan, is the war?