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People from across the globe also took part in the war of resistance against the Japanese aggression.
In a park in Wuhan, 15 pilots from the Soviet Union lie there after giving their lives fighting the Japanese aggressors in 1938.
The Soviet Union volunteer aviation group consisted of more than 400 soldiers. They won a number of battles during the war.
But many sacrificed their lives.
There is another group from America, which has a popular name of the Flying Tigers, commanded by Claire Lee Chennault.
The Burma road leading to China was crucial, as the eastern regions of China were under Japanese occupation.
The flying tigers were assigned to opposite ends of the Burma road to protect this vital line of communication.
The Flying Tigers had their first combat December 20th 1941, when aircraft intercepted 10 Japanese bombers raiding Kunming.
Only one Japanese aircraft escaped and no P-40's were lost through enemy action.
During their combat, Japan's 26-hundred planes and 44 ships were destroyed.
The Flying Tigers contributed greatly to defending China against Japanese forces.