 The Battle of Ratsua occurred during the Second World War and involved Australian and Japanese forces . Part of the wider Bougainville Campaign of the Pacific theatre , the battle took place in the northern sector of Bougainville between June and August 1945 . The main forces that took part in the fighting were the Australian 23rd Brigade and the Japanese 87th Naval Garrison Regiment. nobody knows how many Japanese soldiers died in the battle of bougainville.
The Battle of Bougainville was a major campaign of the Pacific Theater of World War II, which took place on the island of Bougainville in the South Pacific. The battle was fought between the United States and