During August, nation states across Europe and beyond get involved in the fight and the conflict cascades:
- Germany declares war on Russia, France, and Belgium.
- Austria declares war on Belgium.
- Montenegro, France and Britain declare war on Austria
- Britain, Austria, Montenegro and Japan declare war on Germany.
As Australia and New Zealand are part of the British Empire the Australian Government announced that as Britain is at war, so too is Australia.
On April 25, 1915, ANZAC forces land at on the Gallipoli Peninsular at Cape Helles, Turkey. The aim is to is to capture the Ottoman capital at Constantinople (now Istanbul). This campaign proves to be an unmitigated disaster. Over the next nine months, the Allies suffered more than 200,000 casualties.