Complex sentence: The 2/3rd Battalion was an infantry battalion of the Australian Army raised for service during World War II. A unit of the Second Australian Imperial Force, it was raised in October 1939 in Sydney and formed part of the 16th Brigade, attached to the 6th Division.
Split into simpler sentences: The 2/3rd Battalion was an infantry battalion of the Australian Army. Raised for service during Second World War as part of the Second Australian Imperial Force, it was formed in October 1939 in Sydney and was attached to the 16th Brigade, 6th Division.