site.btaToday's Observances: September 25
- Day of the Bulgarian Armed Forces signals and information support troops;
- Day of Dobrich (Northeast Bulgaria).
On this date in Bulgarian history:
1396: At Nikopol, Sultan Bayazid defeats West European crusaders led by Hungarian King Sigismund and takes Bulgarian Tsar Ivan Stratsimir into captivity. Bulgaria falls under Ottoman rule.
1940: Romanian occupation of City of Dobrich end under Treaty of Craiova.
1944: Bulgaria severs its diplomatic relations with Hungary (established on August 9, 1920, at legation level, restored on June 18, 1947, promoted to embassy level on February 13, 1954).
1951: Bulgarian News Agency (BTA) becomes autonomous national news organization.
1983: 2,000-seat building of the Sofia State Circus next to Vazrazhdane Square, built in 1962, burns down in a fire. It is never restored.
1990: Bulgaria joins World Bank and International Monetary Fund.
1996: Bulgaria signs Comprehensive Nuclear Test Ban Treaty.
2008: National Assembly ratifies Police Cooperation Convention for Southeast Europe, signed in Vienna on May 5, 2006, by Albania, Bosnia and Herzegovina, North Macedonia, Moldova, Romania, and Serbia and Montenegro.