Bulgaria: Day of Holy Brothers Cyril and Methodius in Sofia, Bulgaria.

Sofia, Bulgaria - May 24, 2026 BULGARIA, SOFIA - MAY 24, 2026: Iliana Iotova, President of Bulgaria, and Patriarch Daniil of All Bulgaria, Metropolitan of Sofia, take part in a parade on Day of the Holy Brothers Cyril and Methodius, Bulgarian Alphabet, Education and Culture, and Slavic Literature, which Bulgaria celebrates annually on May 24. Igor Lenkin/TASS/Sipa USA