Answer:
1-2.Gallipoli campaign begins -The campaign began with a failed naval attack by British and French ships on the Dardanelles Straits in February-March 1915 and continued with a major land invasion of the Gallipoli Peninsula on April 25, involving British and French troops as well as divisions of the Australian and New Zealand Army Corps (ANZAC).
3. Gallipoli Campaign, also called Dardanelles Campaign, (February 1915–January 1916), in World War I, an Anglo-French operation against Turkey, intended to force the 38-mile- (61-km-) long Dardanelles channel and to occupy Constantinople.
4-5. The British government authorized the evacuation to begin from Sulva Bay on December 7; the last troops left Helles on January 9, 1916. In all, some 480,000 Allied forces took part in the Gallipoli Campaign, at a cost of more than 250,000 casualties, including some 46,000 dead.
6.Weapons used in the battle of Gallipoli were machine guns, rifles, hand grenades, and gas plus battleships were included.