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.
They got married on May 16, 1770
True. Research this so that you know about it next time.