First Sino-Japanese War: Japan defeats the Qing dynasty in the Battle of Pyongyang, causing the Qing army to withdraw to the Chinese border with Korea.

The First Sino-Japanese War was a conflict between the Qing dynasty of China and the Empire of Japan primarily for influence over Korea. In China it is commonly known as the Jiawu War. After roughly 7 months of sustained military gains by Japanese land and naval forces and the loss of the ports of…