The forced imprisonment in prescribed ‘camps’ of people from ‘enemy’ countries during wartime. Their property could also be seized.
During World War I internment in Australia was regulated by the 1914 War Precautions Act. The main internment camp was at Liverpool, New South Wales. Some 6890 people were interned in Australia during the War. They were mainly of German or Austro-Hungarian background. Many were deported after the War ended.
During World War II the 1939 National Security Act provided for the internment of enemy aliens. People of Japanese, German and Italian origin were interned for the remainder of the War in camps in several states including NSW, South Australia and Western Australia.