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Korean War
Second Indochina War


Cold War
Great Australian War
Siam-Burma War

Indonesian War

January 10, 1972


June 13, 1979


Indonesia, New Guinea, Malaysia, Burma, Australia


Indonesian/Allied victory

  • Treaty of Singapore
  • End of Philippine imperial expansion
  • West Australia fortifies Java

Allied Coalition

Flag of Indonesia Indonesia

US flag with 61 stars by Hellerick United States of America

Flag of Malaysia Malaysia

Flag of the United Kingdom United Kingdom

Flag of Thailand Siam

Flag of Korea 1882 Korea

Australian Republican Flag Australia

Flag of New Zealand New Zealand

Manila Pact

Alternity Philippine Imperial flag, 1997 Philippine Empire

Alternity West Australia flag, 1997 West Australia

Flag of Myanmar (1974-2010) Myanmar


* 1,900,000

United States
* 345,000

United Kingdom
* 40,000

* 190,000

* 190,000

* 187,000

* 200,000

New Zealand
* 20,000

Philippine Empire
* 1,789,000

West Australia
* 346,000

* 180,000

Casualties and Losses

Indonesia - 587,000
Korea - 30,800
Australia - 11,450
Malaysia - 10,700
United Kingdom - 9,500
United States - 9,000
Siam - 8,900
New Zealand - 4,600

Philippines - 596,980
Myanmar - 45,000
West Australia - 22,000

The Indonesian War was a conflict of the Cold War-era (non-Communist aligned) that occurred mainly in the southeast Asian and Oceanian nation of Indonesia, as well as former Indonesian territory on the island of New Guinea. It was fought from January 10, 1972 to June 13, 1979 between the forces of the Philippine Empire supported by its Manila Pact allies West Australia and Burma (then-Myanmar) and the Republic of Indonesia, supported by its allies - mainly the United States of America, the United Kingdom, Korea, Australia, and Siam. Unofficially the war began as early as February 1970, namely the result of Philippine expansion into Borneo and heavy skirmishing between Indonesian and Philippine troops.

Pre-War Events

The Lowlands Incident

The first skirmishes of the war were initiated by a chance encounter in the lowland rain forests of Borneo on February 19, 1970 (what is today the Bentuang Kerimun National Park) between a group of some thirty to forty-odd Indonesian Army personnel on a training exercise - mostly recruits - and a small Imperial recon party sent to scout Indonesian positions and assess their troop strength in the region. As the Philippine party (consisting of around fifteen or sixteen of their 'elite' recon personnel) were crossing a small rain forest clearing to access a mountain trail for a better vantage point, some of the Indonesian trainees sighted them, and thinking the Filipinos were a part of the exercise, opened fire, hitting and immobilizing three of the scouting team with stun rounds. The Imperials, however, returned fire with live rounds, killing five of the recruits and sending the rest scrambling for cover in the dense foliage.

Over the next three to four hours, the Indonesian and Imperial troops engaged in crude guerrilla warfare, most of the casualties were experienced by the relatively inexperienced Indonesians, while the Imperials used their superior training and equipment to virtually ensure they retained their complement. But by mid-afternoon, three fully armed Indonesian Air Force (INDAF) UH-1 'Huey' helicopters arrived to extract wounded and land a heavily armed platoon to drive the Filipinos out. Seeing no other choice, the Imperial party retreated and thus disappeared into the rain forest.

Skirmishes escalate

War begins

Course of the War

Borneo Campaign

First New Guinea Campaign

Second New Guinea Campaign


Concluding in the Treaty of Singapore on June 13, 1979, the war yielded an estimated 1,436,440 military casualties, while civilian casualties have been estimated to be as high as 3.6 - 5.2 million, though exact figures are unknown to this day. The war revived flagging American spirits after their defeat in Indochina by the Philippines and helped to establish a part of the current American foreign aid policy. It also ended the final phase of Philippine imperial expansion and at last resulted in tenuous peace between the Empire and much of the western world.