Western New Guinea campaign

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Western New Guinea campaign
Part of World War II, Pacific War
Australian infantry Danmap River 1945 (AWM 078054).jpg
Australian infantrymen resting on a river bank before attacking Japanese positions near Matapau in January 1945
Date22 April 1944 – 15 August 1945
Location Territory of New Guinea and Netherlands New Guinea
Result Allied victory
Flag of the United States (1912-1959).svg  United States
Flag of Australia.svg  Australia
Flag of the Netherlands.svg  Netherlands
Flag of the United Kingdom.svg  United Kingdom
Merchant flag of Japan (1870).svg  Imperial Japan
~ ~
Casualties and losses
1,922+ killed or missing 8,000+ wounded 42,000+ dead and nearly 1,000 POWs

The Western New Guinea campaign was a series of actions in the New Guinea campaign of World War II. Dutch East Indies KNIL, United States and Australian forces assaulted Japanese bases and positions in the northwest coastal areas of Netherlands New Guinea and adjoining parts of the Australian Territory of New Guinea. The campaign began with Operations Reckless and Persecution, which were amphibious landings by the U.S. I Corps at Hollandia and Aitape on 22 April 1944. Fighting in western New Guinea continued until the end of the war.

New Guinea campaign part of the Pacific Theater of World War II

The New Guinea campaign of the Pacific War lasted from January 1942 until the end of the war in August 1945. During the initial phase in early 1942, the Empire of Japan invaded the Australian-administered territories of the New Guinea Mandate and Papua and overran western New Guinea, which was a part of the Netherlands East Indies. During the second phase, lasting from late 1942 until the Japanese surrender, the Allies—consisting primarily of Australian and US forces—cleared the Japanese first from Papua, then the Mandate and finally from the Dutch colony.

World War II 1939–1945 global war

World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945. The vast majority of the world's countries—including all the great powers—eventually formed two opposing military alliances: the Allies and the Axis. A state of total war emerged, directly involving more than 100 million people from over 30 countries. The major participants threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. World War II was the deadliest conflict in human history, marked by 50 to 85 million fatalities, most of whom were civilians in the Soviet Union and China. It included massacres, the genocide of the Holocaust, strategic bombing, premeditated death from starvation and disease, and the only use of nuclear weapons in war.

Dutch East Indies Dutch possession in Southeast Asia between 1810-1945

The Dutch East Indies was a Dutch colony consisting of what is now Indonesia. It was formed from the nationalised colonies of the Dutch East India Company, which came under the administration of the Dutch government in 1800.

Major battles and sub-campaigns

Operations Reckless and Persecution Allied amphibious landings at Hollandia and Aitape

Operations Reckless and Persecution were the Allied amphibious landings at Hollandia and Aitape, respectively, which commenced the Western New Guinea campaign. Both operations commenced on 22 April 1944.

Landing at Aitape battle of the Western New Guinea campaign of World War II

The Landing at Aitape was a battle of the Western New Guinea campaign of World War II. American and Allied forces undertook an amphibious landing on 22 April 1944 at Aitape on northern coast of Papua New Guinea. The amphibious landing was undertaken simultaneously with the amphibious landings of Battle of Hollandia at Hollandia to isolate the Japanese 18th Army at Wewak.

Battle of Hollandia 1944 battle between American and Japanese forces during World War II

The Battle of Hollandia was an engagement between American and Japanese forces during World War II. It took place in spring of 1944 and was part of the New Guinea campaign. The time it took place was a very tumultuous time so it was very difficult for the Allies to invade. They needed to recover from great losses in previous battles. As a result, the Allies were not able to send in as many troops as they would have liked. The landings were undertaken simultaneously with the amphibious landings at Aitape to the east. The battle was an unqualified success for the US forces, resulting in a withdrawal by the Japanese to a new strategic defence line in the west of New Guinea and the abandonment of all positions in the east of the island.

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