May 15 in history: First hydrogen bomb tested, Harmonics Law discovered and more!
Authored By Deeksha Teri
Published: May 15, 2020, 03:24 IST | Updated: May 15, 2020, 03:24 IST
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1618
Harmonics Law discovered
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1718
World's first machine gun check patent.
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1957
First hydrogen bomb tested
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1988
USSR withdraws forces from Afghanistan.
5 / 5
1991
First female Premier of France
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