site.btaObservances: April 11
The Il-18 aircraft that carried out the first trans-Atlantic flight in the history of Bulgarian civil aviation, Sofia, April 11, 1964 (BTA Photo/St. Popov)
The world:
- International Day of Fascist Concentration Camps Prisoners Liberation;
- World Parkinson's Day.
On this date in Bulgarian history:
1879: Postal communications launched in Bulgaria. Prince Alexander Dondukov-Korsakov endorses Interim
/RY/
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