Prologue continued - Map of the Gallipoli Peninsula

The Dardanelles, a narrow 60-mile-long strip of water that divides Europe from Asia, has been of great strategic significance for centuries. Carefully secured by international treaty, it was the closing of the Dardanelles that eventually brought the Ottoman Empire into the war as a German ally at the end of October 1914.

Gallipoli has become a defining moment in the history of both Australia and New Zealand, revealing characteristics that both countries have used to define their soldiers: endurance, determination, initiative and 'mateship'. Here are 20 remarkable photos from Gallipoli.

Harold Boughton experienced the harsh conditions at Gallipoli but Armistice did mean an end of the challenges faced by millions adjusting to life after war.