Military history of Australia during the Second Boer War Military history of Australia during the Second Boer War The military history of Australia during the Boer War is complex, and includes a period of history in which the six formerly autonomous British Australian colonies federated to become the Commonwealth of Australia. At the outbreak of the Second Boer War, each of these separate colonies maintained their own, independent military forces, but by the cessation of hostilities, these six armies had come under a centralised command to form the Australian Army. Towards the end of the nineteenth century, an escalating conflict between the British Empire and the Boer republics of
Second Boer War Orange Free State declaring war on Britain. The war had three phases. In the first phase, the Boers mounted preemptive strikes into British-held territory in Natal and the Cape Colony, besieging the British garrisons of Ladysmith, Mafeking, and Kimberley. The Boers then won a series of tactical victories at Colenso, Magersfontein, and Spion Kop. In the second phase, after the introduction of greatly increased British troop numbers under the command of Lord Roberts, the British launched another offensive in 1900 to relieve the sieges, this time achieving success. After Natal and the Cape Colony were secure, Britain was able to