July 10 appears twice in Bulgaria’s history as a day when the country committed itself formally to a new framework — once to an international arms control treaty, once to writing the legal foundations of its own democracy.
July 10, 1969 — Bulgaria Ratifies the Nuclear Non-Proliferation Treaty
On this day, Bulgaria’s National Assembly ratified the Treaty on the Non-Proliferation of Nuclear Weapons, which the country had signed a year earlier alongside the treaty’s three depositary powers — the United States, the Soviet Union, and the United Kingdom. As a loyal member of the Warsaw Pact, Bulgaria’s alignment with the NPT was consistent with Soviet policy during one of the tenser phases of the Cold War, when controlling the spread of nuclear weapons was among the most pressing items on the international agenda.
The ratification placed Bulgaria formally within the global non-proliferation framework — a commitment the country has maintained through its subsequent membership in NATO and the European Union.
July 10, 1990 — The Seventh Grand National Assembly Holds Its First Session
Two decades later, the freshly elected Seventh Grand National Assembly convened for the first time, its single overriding mandate to draft Bulgaria’s first post-communist constitution. The assembly had been elected weeks earlier in Bulgaria’s first genuinely free vote in more than 40 years — a contest held in a country still in the early, disorienting stages of its transition away from communist rule.
The deputies would spend the following year debating the legal architecture of Bulgarian democracy before adopting the new constitution on July 12, 1991. That document has governed Bulgaria ever since, making the opening session of the Seventh Grand National Assembly one of the most consequential days in the country’s modern political history.
Look back at July 9 or continue to July 11. For more on the country, browse our Bulgaria travel guides and the Bulgaria From Above series.
