 The Battle of Northern Myanmar and Western Yunnan lasted one and a half years.At the cost of 31,443 people killed and 35,948 wounded, the Allies killed more than 25,000 Japanese soldiers, opened the southwest China's international transportation line-the Burma Road, and recovered all the lost land on the west bank of the Salween River in western Yunnan.At the turn of spring and summer in 1942, the Japanese army captured Burma and immediately prepared to attack west Yunnan.