History

A Lutheran

Lutheranism

Lutheranism is a major branch of Western Christianity that identifies with the theology of Martin Luther, a German reformer. Luther's efforts to reform the theology and practice of the church launched the Protestant Reformation...

 mission station

Mission (station)

A religious mission or mission station is a location for missionary work.While primarily a Christian term, the concept of the religious "mission" is also used prominently by the Church of Scientology and their Scientology Missions International....

 was established at Sio in 1910.

The town was occupied by Imperial Japanese forces during World War II and was a major operating base. During the Huon Peninsula campaign

Huon Peninsula campaign

The Huon Peninsula campaign was a series of battles in the New Guinea campaign of the Second World War. Australian forces assaulted Japanese bases on the Huon Peninsula....

 the town was wrestled from the defending elements of the Japanese 20th Division

20th Division (Imperial Japanese Army)

was an infantry division in the Imperial Japanese Army. Its call sign was the .-History:The 20th Division and the 19th Division were raised on 24 December 1915 as a garrison force for Korea. After Japan's victory in the Russo-Japanese War, and subsequent occupation, and then annexation of Korea,...

 by the Australian 9th Division and the Papuan Infantry Battalion

Papuan Infantry Battalion

The Papuan Infantry Battalion was an infantry battalion of the Australian Army formed on 27 May 1940 in the territory of Papua, during World War II, in order to fight the Japanese. The unit was slow in forming, with its first members posted in March 1941. By 1942 it consisted of only three...

, during the Battle of Sio

Battle of Sio

The Battle of Sio, fought between December 1943 and March 1944, was the breakout and pursuit phase of General Douglas MacArthur's Huon Peninsula campaign, part of the New Guinea campaign of World War II....

, fought between December 1943 and January 1944.