The Battle Hostile_encounter of Changsha ( 1944 ) ( also known as the Battle Hostile_encounter of Hengyang or Campaign of Changsha-Hengyang ) was an invasion Attack of the Chinese province of Hunan by Japanese troops near the end of the Second Sino-Japanese War Hostile_encounter .

The operation Military_operation involved Cause_to_be_included more Japanese troops than any other campaign Military_operation in the Second Sino-Japanese war Hostile_encounter .

The conflict Hostile_encounter took place Process_start in two stages , the first between 1927 and 1937 , and the second from 1946 to 1950 ; the Second Sino-Japanese War Military_operation from 1937 to 1945 was an interlude Hostile_encounter in which the two sides were united Collaboration against the forces of Japan .

It was fought Hostile_encounter over a vast area that included Cause_to_be_included the Pacific Ocean theatre , the South West Pacific theatre , the South-East Asian theatre , the Second Sino-Japanese War , and the Soviet–Japanese War .

The Second Sino-Japanese War between the Empire of Japan and the Republic of China had been in progress Cause_change_of_position_on_a_scale since 7 July 1937 , with hostilities dating back as far as 19 September 1931 with the Japanese invasion Attack of Manchuria .

The Battle Hostile_encounter of Changde ( Battle of Changteh ; ) was a major engagement in the Second Sino-Japanese War in and around the Chinese city of Changde ( Changteh ) in the province of Hunan .

The Japanese invasion of Taiwan ( ) ( May–October 1895 ) was a conflict between the Empire of Japan and the armed forces of the short-lived Republic of Formosa following the Qing Dynasty 's cession of Taiwan to Japan in April 1895 at the end of the First Sino-Japanese War .

The Russian invasion of Manchuria occurred Presence in the aftermath of the First Sino-Japanese War ( 1894–1895 ) when concerns regarding China 's defeat Conquering by the Japanese and the latter 's occupation of Manchuria caused Causation the Russians to speed Cause_change_of_position_on_a_scale up their long held Defending designs for imperial expansion Expansion across Eurasia .

The defense Defending of Sihang Warehouse took place Process_start from October 26 to November 1 , 1937 , and marked Recording the beginning Process_start of the end Process_end of the three-month Battle Hostile_encounter of Shanghai in the opening Openness phase of the Second Sino-Japanese War Hostile_encounter .

The Second Sino-Japanese War was a military conflict Violence fought Hostile_encounter primarily between the Republic of China and the Empire of Japan from July 7 , 1937 , to September 2 , 1945 .

Some scholars consider Convincing the start Process_start of the full-scale Second Sino-Japanese War in 1937 to have been the beginning of World War II .

The Second Sino-Japanese War was the largest Asian war in the 20th century .