1590: Battle of Ivry: French King Henry IV defeats the Catholic League during the French Wars of Religion
1794: Eli Whitney patents the cotton gin machine revolutionizing the cotton industry in the southern US states [1]
1900: Dutch botanist Hugo de Vries rediscovers Gregor Mendel’s laws of heredity and genetics
1900: US currency goes on the gold standard after Congress passes the Currency Act
2013: Xi Jinping named the new President of the People’s Republic of China
Source: Onthisday.com
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