History

A:

There is no specific date that marked the beginning of the Cold War, but most agree that it began shortly following the second World War, somewhere from 1945 to 1947. Unlike other wars, the Cold War never involved actual fighting or traditional war events, but instead describes a prolonged tense state between the United States and Russia.

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    • Who was the first person to invent television?

      Q: Who was the first person to invent television?

      A: The first person to invent a fully functional television was Philo Taylor Farnsworth, an amateur inventor from Idaho. He publicly displayed his invention in 1927 but had conceived of the technology as early as 1921, when he was only 14 years old.
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    • Who invented paper money?

      Q: Who invented paper money?

      A: Paper money was used first by the Chinese during the Tang Dynasty (A.D. 618 to 907). According to Time, the first forms of paper money were privately issued bills of credit or exchange. This practice continued for about 500 years.
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    • What year was the microwave invented?

      Q: What year was the microwave invented?

      A: The first microwave oven was built in 1947. Sometime around 1946, Percy Spencer, while working for Raytheon, discovered that a magnetron developed to jam radars during World War II also melted the chocolate bar in his back pocket. Corn kernels were some of the first foods Spencer tested, and when they popped, he began attempts to heat other foods using the magnetron.
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    • Who discovered popcorn?

      Q: Who discovered popcorn?

      A: While the exact discoverer of popcorn isn't known, Michigan State University says that this snack likely originated in the Americas, with Mexico being the likely site of its first growth. The university also says that China and India used popcorn prior to Columbus' voyage to the New World in 1492.
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    • What did Albert Einstein contribute to the world?

      Q: What did Albert Einstein contribute to the world?

      A: Albert Einstein's greatest contribution to the world was his theory of relativity in which he described new ways of looking at time, space, matter, energy and gravity. His works also provided the basis for advances such as the control of atomic energy, space exploration and applications of light.
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    • What Roman inventions are still used today?

      Q: What Roman inventions are still used today?

      A: Many Roman inventions, including roads, aqueducts, sewers, cement and the Julian calendar, still see use around the world today. Roman inventions ranged from small creations to large-scale inventions like heavy infrastructure. The inventions of Romans ultimately connected the Roman Empire to Europe, and facilitated its expansion.
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    • When was the medieval time period?

      Q: When was the medieval time period?

      A: The medieval period encompasses the fifth to 14th or 15th centuries. Historians date this period from the collapse of the Roman Empire until the dawn of the Renaissance.
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    • Where was the Trojan War fought?

      Q: Where was the Trojan War fought?

      A: According to Greek mythology, the Trojan War was fought between the Greeks and the Trojans in the city of Troy in Asia Minor. This is the region of modern-day Turkey. The war took place from 1194 to 1184 B.C., lasting nearly 10 years.
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    • What did medieval knights do?

      Q: What did medieval knights do?

      A: Knights performed military services for lords within a kingdom. Clergymen during the Crusades established a moral code in which a knight must also protect churches, women, orphans and the weak.
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    • What was the role of a medieval king?

      Q: What was the role of a medieval king?

      A: The roles of a king during Medieval Europe included land ownership, warfare leadership and lawmaker. A king allowed knights, barons and lords to live on his land, as long as they provided armies of men to fight wars. When kings fought neighboring kingdoms, he led his men into battle. Kings were supreme rulers of their lands, and they meted out justice as they saw fit.
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    • What was the job of a medieval knight?

      Q: What was the job of a medieval knight?

      A: Medieval knights were the professional warrior class of Europe, responsible for defending their feudal lord's territory from rival lords and keeping the local serfdom in line with the lord's rule. Knights were frequently members of the noble class, with the title inherited through the father, but it was also a title granted as a reward for chivalrous deeds. In the late medieval period, noble and warrior classes became more static.
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    • Why was Angkor Wat built?

      Q: Why was Angkor Wat built?

      A: Angkor Wat, located in what today is Cambodia, was built as a temple in honor of the Hindu god Vishnu, the supreme god of the Vaisenavites. The name "Angkor Wat" means "temple city."
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