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This Day in History
May20
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Levi Strauss and Jacob Davis receive patent for blue jeans, 1873
On this day in 1873, San Francisco businessman Levi Strauss and Reno, Nevada, tailor Jacob Davis are given a patent to create work pants reinforced with metal r…
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Category: Architecture

10 Innovations That Built Ancient Rome
From aqueducts to battlefield surgery, explore 10 inventions that epitomize the innovative spirit of ancient Rome.













