Australian Soldiers INTERFET On 20 September 1999, Australian troops commanded by Peter Cosgrove arrived in East Timor as a part of INTERFET peackeeping operations. The International Force East Timor (INTERFET) was a multinational non-United Nations peacemaking task force, organised and led by Australia in accordance with United Nations resolutions to address the humanitarian and security crisis that took place in East Timor from … Continue reading On this day (Australia): In 1999, Australian troops arrived in East Timor as a part of peacekeeping operations