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The de jure independence of Bulgaria (Bulgarian: ???????????? ?? ????????, Nezavisimost na Balgaria) from the Ottoman Empire was proclaimed on 5 October [O.S. 22 September] 1908 in the old capital of Tarnovo by Prince Ferdinand of Bulgaria, who afterwards took the title "Tsar".See wikipedia for more details. Read more »

Emancipation Day is a holiday in Washington DC to mark the anniversary of the signing of the Compensated Emancipation Act, which president Abraham Lincoln signed on April 16, 1862. It is annually held on April 16. See timeanddate for more details. Read more »

The September equinox (or Southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. See Wikipedia for more details. Read more »