Phase 1 (1937-1942) Shanghai Campaign (1937) 750.000 Chinese and 250.000 Japanese involved. Japanese occupied Shanghai. Northern Shansi Campaign (1937) 280.000 Chinese and 200.000 Japanese involved. Japanese occupied the Northern Shansi. Hsuchow Campaign (1938) 450.000 Chinese and 250.000 Japanese involved Japanese occupied Hsuchow. Wuchang-Hankou Campaign (1938) 700.000 Chinese and 380.000 Japanese involved Japanese occupied Wuchang and Hankou. Nanchang Campaign (1939) 300.000 Chinese and 60.000 Japanese involved Japanese occupied Nanchang. Sui-Tsaoyang Campaign (1939) 220.000 Chinese and 110.000 Japanese involved Japanese occupied Sui only. First Changsha Campaign (1939) 180.000 Chinese and 90.000 Japanese involved. Japanese failed to get Changsha. Southern Kuangsi Campaign (1939-1940) 150.000 Chinese and 50.000 Japanese involved. Japanese withdrew all their invasion troops in Kuangsi. Tsaoyang-Yichang Campaign (1940) Japanese occupied Yichang. Southern Honan Campaign (1941) Japanese failed. Shangkao Campaign (1941) Japanese failed to get Shangkao. Southern Shansi Campaign (1941) Japanese occupied the Southern Shansi. Second Changsha Campaign (1941) 300.000 Chinese and 150.000 Japanese involved. Japanese failed to get Changsha again. Third Changsha Campaign (1941-1942) 260.000 Chinese and 170.000 Japanese involved Japanese failed the third time. Phase 2 (1942-1945) (after the Allied Forces appointed Chiang Kai-Shek the Comander-in-chief of China war zone) First Burma War (1942) 10.000 Chinese helped British Burma Corps to prevent the Japanese invasion from Southern Burma. Japanese occupied Northern Burma. Chinese and British retreated into British India and China. Chekiang-Kiangsi Campaign (1942) 300.000 Chinese and 180.000 Japanese involved Japanese destroyed several major airfields in the area. Western Hupei Campaign (1943) Japanese failed to enter Szechuan. Changteh Campaign (1943) Japanese failed to take over Changteh. Second Burma War (1943-1945) 60.000 Chinese and thousands of Americans helped British to fight back northern Burma. Central Honan Campaign (1944) Japanese failed to enter Shaansi. Changsha-Hengyang Campaign (1944) Japanese successfully occupied Changsha and Hengyang. First Kuangsi Campaign (1944) Japanese occupied most Kuangsi province. Honan-Hupei Border Campaign (1945) Japanese failed. Western Hunan Campaign (1945) Japanese failed. Second Kuangsi Campaign (1945) Chinese recovered all the Kuangsi province There are also Communist Campaigns such as Hundred Regiments Offensive and Battle of Pingxingguan if anyone wants more information about these then feel free to ask.
