1840

1840 ek leap saal rahaa jon ki budh ke roj suruu bhais rahaa.

 Ghatna 
 America ke 14th Presidential election me Whig Party ke William Henry Harrison, Democratic Party ke Martin Van Buren ke 234 electoral college votes to 60 se harais. Buren incubent President rahaa .

 Janam 
 7 May - Pyotr Ilyich Tchaikovsky ek Russian composer rahaa, jiske janam Votkinsk, Udmurtia, Russian Empire me bhais rahaa (maut: 6 November 1893) .

 Maut 
 7 May - Caspar David Friedrich, Germany ke chitrkaar ke maut Dresden me bhais rahaa.

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