Question: When did the US and Britain invade the country that seized the country Al-Berka is located from the empire the Gallipoli Campaign fought against?

<P0-S0> The operation was undertaken by General Sir Harold Alexander's 15th Army Group (comprising General Mark W. Clark's Fifth Army and General Bernard Montgomery's British Eighth Army) and followed the successful invasion of Sicily. <P0-S1> The Allied invasion of Italy was the Allied amphibious landing on mainland Italy that took place on 3 September 1943 during the early stages of the Italian Campaign of World War II. <P0-S2> The main invasion force landed around Salerno on 9 September on the western coast in Operation Avalanche, while two supporting operations took place in Calabria (Operation Baytown) and Taranto (Operation Slapstick). <SEP> <P1-S0> Al-Berka (Arabic:البركة) is a Basic People's Congress administrative division of Benghazi, Libya. <P1-S1> As of the 2011 Libyan revolution, the area is simply known as a district of Benghazi after the Gaddafi era Basic People's Congresses were disbanded. <SEP> <P2-S0> courtney's and steel's post cemetery is a commonwealth war graves commission cemetery located near anzac cove on the gallipoli peninsula in turkey. <P2-S1> it contains the graves of some of the former british empire troops who died during the gallipoli campaign. <SEP> <P3-S0> william pitt, who entered the cabinet in 1756, had a grand vision for the war that made it entirely different from previous wars with france. <P3-S1> as prime minister pitt committed britain to a grand strategy of seizing the entire french empire, especially its possessions in north america and india. <P3-S2> britain's main weapon was the royal navy, which could control the seas and bring as many invasion troops as were needed. <P3-S3> he also planned to use colonial forces from the thirteen american colonies, working under the command of british regulars, to invade new france. <P3-S4> in order to tie the french army down he subsidized his european allies. <P3-S5> pitt head of the government from 1756 to 1761, and even after that the british continued his strategy. <P3-S6> it proved completely successful. <P3-S7> pitt had a clear appreciation of the enormous value of imperial possessions, and realized how vulnerable was the french empire. <SEP> <P4-S0> As a result of this conflict, the Ottoman Turks ceded the provinces of Tripolitania, Fezzan, and Cyrenaica to Italy. <P4-S1> These provinces together formed what became known as Libya. <SEP> <P5-S0> The contributions of Australian and New Zealand troops during the 1915 Gallipoli Campaign against the Ottoman Empire had a great impact on the national consciousness at home, and marked a watershed in the transition of Australia and New Zealand from colonies to nations in their own right. <P5-S1> The British declaration of war on Germany and its allies also committed the colonies and Dominions, which provided invaluable military, financial and material support. <P5-S2> Over 2.5 million men served in the armies of the Dominions, as well as many thousands of volunteers from the Crown colonies. <P5-S3> The countries continue to commemorate this occasion on Anzac Day. <P5-S4> Canadians viewed the Battle of Vimy Ridge in a similar light. <P5-S5> The important contribution of the Dominions to the war effort was recognised in 1917 by the British Prime Minister David Lloyd George when he invited each of the Dominion Prime Ministers to join an Imperial War Cabinet to co-ordinate imperial policy.