The Battle of West Hubei (simplified Chinese: 鄂西会战; traditional Chinese: 鄂西會戰; pinyin: È Xī Huìzhàn), was one of the 22 major engagements between the National Revolutionary Army and Imperial Japanese Army during the Second Sino-Japanese War. It was also one of the four major battles that took place in Hubei. The battle was named the Hunan Annihilation Operation (江南殲滅作戦, Konan zenmetsu sakusen) in Japanese, and was also known as “Operation G” in Japanese military records.

• http://en.wikipedia.org/wiki/Battle of West Hubei