site.btaToday's Observances: March 13
1981: National Astronomical Observatory opens on Mt. Rozhen (1,759 m) in Rhodope Mountains (National Astronomical Observatory Photo)
Bulgaria:
- Day of Prof. Pancho Vladigerov National Academy of Music (patron's birthday in 1899).
On this date in Bulgarian history:
1921: Holy Synod of Bulgarian Orthodox Church adopts a decision to confer museum status on its collection of
/MR/
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