Americans celebrate "Constitution Day and Citizenship Day" nationally on September 17.

Ambassador Extraordinary and Plenipotentiary of the Russian Federation to the Republic of Bulgaria, on the occasion of the Day of Saints Cyril and Methodius, the Bulgarian alphabet, education, culture and of Slavonic literature

H. E. Mrs. Latifa Benazza, Ambassador Extraordinary and Plenipotentiary of the Democratic and People's Republic of Algeria in the Republic of Bulgaria,

The sacred date for Algerians - February 18, was marked for another year in Sofia.

On December 10, the Ambassador of the Slovak Republic to the Republic of Bulgaria – H. E. Mr. Manuel Korček,

In the midst of the global pandemic of COVID-19, the deepening of trade relations between Indonesia and Bulgaria was realized through virtual interaction during the Trae Expo Indonesia (TEI 2020) on November 10-11, 2020.