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Every day in Bulgarian history holds a story worth remembering. In this recurring series, On This Day in Bulgaria, we look back at notable events, decisions, and milestones that happened on this date across the country’s history.

National Assembly building, Sofia, Bulgaria
The National Assembly building, Sofia. Photo: MrPanyGoff, licensed under CC BY-SA 3.0, via Wikimedia Commons.

July 23, 1879 — Opening Ties with Britain

Bulgaria established diplomatic relations with Britain at the level of diplomatic agencies, one of many bilateral relationships the young state formed in the years following its liberation.

July 23, 1973 — A Bulgarian Medical Discovery

Professor Ivan Mitev announced his discovery of a sixth heart sound, a notable contribution from Bulgarian medical science that was formally registered six years later, in 1979.

Explore more of Bulgaria’s story on Bronicable, including our Bulgaria From Above series and our guides to the best of Bulgaria.