1931年9月18日，日本军队大规模入侵中国东北地区，使中国陷入了前所未有的民族灾难。1937年的七七事变，引发了中国人民的全面抗战，经过八年浴血奋战，1945年8月15日，日本宣告无条件投降。这是八路军攻克山东邹县时日军举手投降。（新华社发）

    This undated photo shows Japanese Invaders raise their arms in surrender as soldiers of Chinese Eighth Route Army took back Zouxian county in Shandong, east China. On September 18, 1931, Japanese forces launched a major invasion in northeast China, putting China into an unprecedented national disaster.Then The July 7 incident in 1937 triggered eight years of the Chinese people's Anti-Japanese War. The Japanese government announced unconditional surrender on August 15, 1945.（Xinhua Photo）