site.btaToday's Observances: Dec. 10-11
![Today's Observances: Dec. 10-11](/upload/302585/%D0%91%D0%B5%D0%BB%D0%B3%D0%B8%D1%8F.jpg?l=1000)
![Today's Observances: Dec. 10-11](/upload/302585/%D0%91%D0%B5%D0%BB%D0%B3%D0%B8%D1%8F.jpg?l=1000&original=2e24042318ebbfd79bfa9640fc3b569bb952e4d8)
DECEMBER 10
On this date in Bulgarian history:
1877: Ottoman troops led by Osman Pasha surrender at end of Siege of Plevna during Russo-Turkish War (1877-1878).1878: Sofia Public Library (today's National Library) is set up.1891: Sixth National
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