Winston had a great many setbacks in his lifetime. The failure of the attack on the Dardanelles during the Gallipoli Campaign however was one of the most devastating.
Though the Dardanelles Commission later exonerated him of most of the blame for the military failure, he was the most vocal champion of the strategic move to cut off the Turkish support of the Ottoman Empire in the First World War
When the plan failed, mostly due to lack of military coordination, he was forced to resign his beloved ministerial post of First Lord of the Admiralty.
He remained in the cabinet in a mostly ceremonial post until resigning in November 1915 and volunteering to fight on the front in France.
Get the Churchill Bulletin, delivered to your inbox, once a month.