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After three days of holding their own against the Persian king Xerxes I and his vast southward-advancing army, the Greeks were betrayed, and the Persians were able to outflank them. Sending the main army in retreat, Leonidas and a small contingent remained behind to resist the advance and were defeated.

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10,000 BC- The Neolithic Revolution Begins

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10,000 BC- The Neolithic Revolution Begins

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The Neolithic Revolution, also known as the First Agricultural Revolution, was the wide-scale transition of many human cultures during the Neolithic period in Afro-Eurasia from a lifestyle of hunting and gathering to one of agriculture and settlement. The Neolithic Revolution was the critical transition that resulted in the birth of agriculture. The Fertile Crescent was where it had a huge impact on the Neolithic Revolution.

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“Gunpowder,” as it came to be known, is a mixture of saltpeter (potassium nitrate), sulfur, and charcoal. Together, these materials will burn rapidly and explode as a propellant.

Chinese monks discovered the technology in the 9th century CE, during their quest for a life-extending elixir. The key ingredient, saltpeter, had been in use by this same culture since the late centuries BCE for medicinal purposes. It was found to be incendiary and immediately applied to warfare.

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Over a period of a few hundred years, Islam spread from its place of origin in the Arabian Peninsula all the way to modern Spain in the west and northern India in the east. Islam traveled through these regions in many ways.

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The Reconquista is a period in the history of the Iberian Peninsula, spanning approximately 770 years, between the initial Umayyad conquest of Hispania in the 710s and the fall of the Emirate of Granada, the last Islamic state on the peninsula, to expanding Christian kingdoms in 1492.

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Was the first of a series of religious wars, or Crusades, initiated, supported and at times directed by the Latin Church in the medieval period. The emperor wanted to reclaim territory that he had lost from this Muslim power

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Books were expensive and rare during the Middle Ages. Each copy of a book typically had to be written by hand, copied page by page. In the mid-1400s a German craftsman named Johannes Gutenberg developed a way to handle this process by machine—the first printing press.

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A series of Christian states fought to recapture territory from the Muslims (Moors) who had occupied most of the Iberian Peninsula in the early 8th century.

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Columbus sailed in search of a route to Cathay (China) and India to bring back gold and spices that were highly sought in Europe. His patrons, Ferdinand II and Isabella I of Spain, hoped that his success would bring them greater status. Columbus wanted to find a new route to India, China, Japan and the Spice Islands. If he could reach these lands, he would be able to bring back rich cargoes of silks and spices.

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The Industrial Revolution was the transition from creating goods by hand to using machines. The Industrial Revolution shifted societies from an agrarian economy to a manufacturing economy where products were no longer made solely by hand but by machines. Perhaps the most consequential change of the American industrial revolution was the increasing urbanization of society and the shift of labor from farms to factories and offices

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By treating cellulose derived from cotton fiber with camphor, Hyatt discovered a plastic that could be crafted into a variety of shapes and made to imitate natural substances like tortoiseshell, horn, linen, and ivory. This discovery was revolutionary.

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The Battle of the Somme was one of the most bitterly contested and costly battles of the First World War, lasting nearly five months. Despite this, it is often the first day of the battle that is most remembered. The offensive began on 1 July 1916 after a week-long artillery bombardment of the German lines.

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The agreement led to the division of Turkish-held Syria, Iraq, Lebanon, and Palestine into various French- and British-administered areas.

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1919 - The Treaty Of Versailles Ends WWI

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1919 - The Treaty Of Versailles Ends WWI

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The Versailles Treaty forced Germany to give up territory to Belgium, Czechoslovakia and Poland, return Alsace and Lorraine to France and cede all of its overseas colonies

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Hitler was appointed chancellor of Germany in 1933 following a series of electoral victories by the Nazi Party. He ruled absolutely until his death by suicide in April 1945.

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The holocaust was a genocide of many European Jews during WWI, The Nazi Germany's and the collaborators murdered six million jews in total.

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The key objective for D-Day - beyond establishing a firm foothold ashore - was the capture of the city of Caen,

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The bomb was dropped on Nagasaki because it was seen as a strategic target during World War ll.

The bombing of Nagasaki had a significant impact on the war. It led to japans surrender, effectively ending World War ll.

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When the Ottoman Empire fell, Great Britain took control of the region and controlled Palestine until Israel became an independent state in 1947.

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The Green Revolution began in Mexico, where scientists developed a hybrid wheat variety that dramatically expanded yields. Following its introduction, hunger and malnutrition there dropped significantly.

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The bosnian civil war started because the dissolution of the Yugoslavian state, the authoritarian government, economic crisis, and strong social cleavages.

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Years of violent internal protest, weakening white commitment, international economic and cultural sanctions, economic struggles, and the end of the Cold War

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The overall objective of the WTO is to help its members use trade as a means to raise living standards, create jobs and improve people's lives. The WTO operates the global system of trade rules and helps developing countries build their trade capacity.

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On February 4, 2004, Zuckerberg launched it under the name of "TheFacebook", originally located at thefacebook.com. Zuckerberg intended to create a website that could connect people around the university. The primary use of Facebook has always been about connecting people. Facebook is a way to find and connect with friends and remain updated on their activities. Creating communities. Facebook is used to create and organize communities of interest on just about any topic.

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Many people were unhappy about the high levels of unemployment, widespread corruption and lack of political freedom. Inspired by the 'Arab spring' uprisings in Tunisia and Egypt, peaceful protests started in March.

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2013 - Cambridge Analytica goes bankrupt

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2013 - Cambridge Analytica goes bankrupt

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Cambridge Analytica was founded in 2013. But the company's ability to microtarget traces back to a 2010 Facebook rollout of open graph that included a new version of its API, which is a tool that allows one application to access the data or features of another.