1. The Russo Japanese War refers to the imperialist war during 1904-1905 (the 30th to 31st year of the reign of Emperor Guangxu of the Qing Dynasty), in which Japan and the tsarist Russia re divided Northeast China and Korea, and then fought for hegemony in Asia and the Pacific.
 2. The war was mainly carried out in the northeast of China, which caused great disasters to the Chinese people, and also to the Korean people.
 3. On January 13, 1904, Japan issued an ultimatum to Russia, demanding that Russia preserve the Manchurian territory of China and recognize that Korea was outside the scope of Russian interests.
 4. If we still do not make a decision, we are afraid that Japan and Russia will be greatly disadvantaged.
 5. At the same time, Japan accelerated the mobilization of troops to northeast China, and the Russo Japanese War broke out.
 6. On September 5, 1905, the Russo Japanese War ended.
 7. It ended in the failure of Tsar Russia.
 8. The Russo Japanese War helped Japan gain military advantage in Northeast Asia and the right to garrison troops on the Korean Peninsula and Northeast China, which hindered Russia's expansion here.
 9. The land battlefield of the Russo Japanese War was the northeast region of the Qing Dynasty, but the Qing government was forced to declare neutrality, and even set a special war zone for the war.
 10. Japan, Russia and China (Qing Dynasty) all suffered heavy losses in this war, which had a certain impact on the development path of subsequent countries.