The First Battle of Krithia occurred during this campaign which also saw a 
The First Battle of Krithia occurred during this campaign which also saw a disastrous landing at Cape Helles. One side during it was led by Otto von Sanders; another, composed of elements of the Mediterranean Expedition Force was led by Ian Hamilton. In Australia and New Zealand this campaign is commemorated by ANZAC day; the failure of this event for one side led to the demotion of First Lord of the Admiralty Winston Churchill. This campaign also saw a successful defense led in part by Mustafa Kemal, a man who would later be known as Ataturk. For 10 points, name this disastrous Allied campaign during World War One, an attempt to capture Istanbul.
The First Battle of Krithia occurred during this campaign which also saw a disastrous landing at Cape Helles.
{Dardanelles} campaign or Battle of {Gallipoli} or {Gallipoli} campaign