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The telescope was invented by Zachariah Jensen an eyeglass maker. This later aided in astronomy. ( Joseph Kiprop pg.1).
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"The Kalmar War was one of a series of wars between Sweden and Denmark. It was caused by rivalry between the two powers in the Baltic and by Swedish efforts to gain control of Finnmark, the area to the north of Lapland" (Rickard J. pg. 1).
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(when it started and ended)
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"The Thirty Years' War, a series of wars fought by European nations for various reasons, ignited in 1618 over an attempt by the king of Bohemia (the future Holy Roman emperor Ferdinand II) to impose Catholicism throughout his domains. Protestant nobles rebelled, and by the 1630s most of continental Europe was at war." Amanda Onion, Missy Sullivan and Matt Mullen pg 1).
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(when it started and ended)
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Was created by Francis Bacon it as a guideline for experiments.
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The Powhatan War was between Virginia and Southern Maryland. The war started because the English men started taking over the Indians land.
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(when it started and ended)
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Galileo Galilei who was considered to be a great scientist during his time died. (William Harris pg. 4)
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Otto von Guericke created the air pump. (Adam Augustyn, Adam Zeidan, Alicja Zelazko pg.1)
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Newton discovered the idea and concept of gravity. He had this idea when an apple fell on him, and later with lots of research the idea of gravity was created.