By the Treaty of Portsmouth in 1905, Russia approved the cession of Sakhalin Island from 50 degrees north latitude to the southern end as well as the handover of Liaodong Peninsula, a leased territory, to Japan, thus the Russo-Japanese War substantially ended with the Japan's victory.
1905年のポーツマス条約によってロシアは北緯50度以南の樺太島の割譲および租借地遼東半島の日本への移譲を認め、実質的に日露戦争は日本の勝利に終わった。