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In page 1620:

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  • A severe frost in England freezes the River Thames; 13 continuous days of snow blanket Scotland. On Eskdale Moor, only 35 of a flock of 20,000 sheep survive.[2]
  • Witch-hunts begin in Scotland.[citation needed]
  • History of submarines: Cornelis Drebbel demonstrates the first navigable undersea boat in the Thames in England.[3][4]