Complex sentence: The campaign is often referred to for its successful stealthy retreat, which was completed with minimal casualties, the ANZAC forces completed their retreat by 19 December 1915 and the remaining British elements by 9 January 1916.
Split into simpler sentences: The campaign is often referred to for its successful stealthy retreat, which was completed with minimal casualties. The ANZAC forces completed their retreat by 19 December 1915 and the remaining British elements by 9 January 1916.