What was unique about the russo-japanese war

It was the first eastern victory over western great powers. Before that war, Europeans were believing that no other race can in a war or science. And it spread asian nationalism. It proved Japanese power and imperialism. After that war no other great power could annex a country without japanese acceptance. After war Japan annexed Korea and a few years later Manchuria. The war stopped russian aggression in far east and weakened tsardom.