Landing at Cape Helles

The Ottoman Empire or Sublime Ottoman State or sometimes also referred to as Turkey , Modern Turkish: Osmanlı Devleti or Osmanlı... İmparatorluğu was a Turkish empire which lasted from 27 July 1299 to 1 November 1922, when the Sultanate was abolished. The Ottoman Empire was one of the largest and longest lasting empires in history; such that the Ottoman State, its politics, conflicts, and cultural heritage in a vast geography provide one of the longest continuous narratives. During the 16th and 17th centuries, in particular at the height of its power under the reign of Suleiman the Magnificent, the empire was one of the most powerful states in the world – a multinational, multilingual empire that stretched from the southern borders of the Holy Roman Empire to the outskirts of Vienna, Royal Hungary and the Polish–Lithuanian Commonwealth in the north to Yemen and Eritrea in the south; from Algeria in the west to Azerbaijan in the east; controlling much of southeast Europe, Western Asia and North Africa.
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World War I , which was predominantly called the World War or the Great War from its occurrence until 1939 , and the First World War or World War I... thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918. It involved all the world's great powers, which were assembled in two opposing alliances: the Allies and the Central Powers . These alliances both reorganised , and expanded as more nations entered the war. Ultimately more than 70 million military personnel, including 60 million Europeans, were mobilised in one of the largest wars in history. More than 9 million combatants were killed, largely because of great technological advances in firepower without corresponding advances in mobility.
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The Middle Eastern theatre of World War I was the scene of action between 29 October 1914, and 30 October 1918. The combatants were the Ottoman... Empire, with some assistance from the other Central Powers, and primarily the British and the Russians among the Allies of World War I. There were five main campaigns: the Sinai and Palestine Campaign, the Mesopotamian Campaign, the Caucasus Campaign, the Persian Campaign, and the Gallipoli Campaign. There were the minor North African Campaign, the Arab Campaign, and South Arabia Campaign. Besides the regular forces both sides used asymmetrical forces in the region. Participating on the Allied side were Arabs who participated in the Arab Revolt, and Armenian militia who participated in the Armenian Resistance. The Armenian volunteer units and Armenian militia formed the Armenian Corps of the Democratic Republic of Armenia in 1918. This theatre encompassed the largest territory of all the theatres of the war. The Russian participation ended with the Armistice of Erzincan and the revolutionary Russian government eventually withdrew from the war with the Treaty of Brest-Litovsk .
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