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The Siege of Acre (also called the Fall of Acre) took place in 1291 and resulted in the loss of the Crusader-controlled city of Acre to the Muslims.
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The Fall of Gallipoli was the siege and capture of the Gallipoli fortress and peninsula until then under Byzantine rule, by the Ottoman Turks in March 1354.
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In 1440, German inventor Johannes Gutenberg invented a printing press process that, with refinements and increased mechanization, remained the principal means of printing until the late 20th century. The inventor's method of printing from movable type, including the use of metal molds and alloys, a special press, and oil-based inks, allowed for the first time the mass production of printed books.
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The French king had a claim on the Kingdom of Naples and he wanted to enforce that. This eventually led to all of the Italian states banding together in what became the Venetian League.
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The battle of Vienna took place on September 12 1683. The main army of the Ottoman Empire, a large and well-equipped force, surrounded Vienna.