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3982 BCE
3982 a.c Make up Egyptains
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18
18 d.c. First Baterry The persions
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18
18 d.c. Chew Ancient Greeks
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Siglo XV Toothbrush The Chinese
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1690 Daile Newspaper Americans
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1787 Alarmclock Levi Hutchins
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1817 Bicycle A German.
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1897 Kellogg John Harvey