The first planned attack was a British/French naval assault on February 19 1915. It bombarded Turkish artillery along the coast but had very little effect. A new attack was launched on March 18 targeting a bottleneck in the Dardanelles. It suceesfully destroyed many Turkish artillery targets, but the fleet ran into an uncharted minefield and lost three battleships, prompting the allies to withdraw their naval force.
After the deemed failure of the naval campaign, the allies decided to attempt a land