>>515736184
Just using China vs USA, we have :

Korean War

China entered the War when the Northern Koreans were losing & pushed basically to the North Korean/China border. Chinese military forced pushed the US/NATO military from approximately the 42th Parallel all the way back to the 38th Parallel. The US were losing so badly to the Chinese that General McArthur was going to use nukes on China until Truman fired him