Events in Bulgarian History
- 0681-08-09 Bulgaria is founded as a Khanate on the south bank of the Danube, after defeating the Byzantine armies of Emperor Constantine IV south of the Danube delta.
- 0811-07-26 Battle of Pliska: Bulgarians under Krum beat Byzantines
- 0917-08-20 Battle of Anchialus: Bulgarian army counterattacks the Byzantines
- 0927-05-27 Battle of the Bosnian Highlands: Simeon I of Bulgaria is defeated by King Tomislav of Croatia
- 1014-07-29 Battle of Strumitsa-valley: Byzantine destroys Bulgarian armies
- 1205-04-15 Battle at Adrianople: Bulgaria beats Emp Boudouin of Constantinople
- 1230-03-09 Bulgarian Tsar Ivan Asen II defeats Theodore of Epirus near the village of Klokotnitsa
- 1330-07-28 Battle of Velbuzd: Serbian forces defeat Bulgarian army
- 1393-07-17 Osmanen occupy Turnovo, Bulgaria
- 1870-02-28 The Bulgarian Exarchate (Orthodox Church) is established by decree of Sultan Abd-ul-Aziz of the Ottoman Empire
- 1876-05-02 The April Uprising breaks out in Bulgaria
- 1876-06-02 Hristo Botev, a Bulgarian poet and national revolutionary, is killed in Stara Planina
- 1878-03-03 Treaty of San Stefano signed by Russian and Ottoman empires grants independence to Bulgaria after 500 years of Turkish rule
- 1879-01-25 The Bulgarian National Bank is founded
- 1885-09-06 Eastern Rumelia declares its union with Bulgaria. The Unification of Bulgaria is accomplished.
- 1885-11-14 Serbia invades Bulgaria, beginning the two-week Serbo-Bulgarian War; the Serbs are later defeated decisively [O.S. November 2]
- 1885-11-17 The Serbian Army, with Russian support, invades Bulgaria
- 1885-11-19 Bulgarians, led by Stefan Stambolov, repulse a larger Serbian invasion force at Slivinitza
- 1901-04-05 Under threats from the Ottoman Turkish Government, Bulgaria is forced to arrest the leaders of the Macedonian Committee
- 1908-09-22 Bulgaria declares independence from the Ottoman Empire (Turkey)
- 1908-10-05 Bulgaria declares independence from Turkey, Ferdinand I becomes Tsar
- 1909-03-18 Russia and Bulgaria reach an agreement in which late 19th century Russian financial claims are cancelled to meet compensation due to Turkey from Bulgaria
- 1909-04-19 A convention with Turkey recognizes Bulgarian independence
- 1912-03-12 Establishment of the first football club in Bulgaria - Botev Plovdiv
- 1912-03-13 Bulgaria and Serbia conclude an alliance pact ostensibly against Austria, but it secretly provides for a possible war against Turkey
- 1912-10-17 Bulgaria, Greece & Serbia declares war on Turkey
- 1912-10-18 The First Balkan War breaks out, with Bulgaria, Serbia, and Greece opposed to Turkey
- 1912-11-05 Bulgarian troops in Constantinople blockade drinking water
- 1912-12-03 Turkey, Serbia, Montenegro, Greece & Bulgaria sign weapons pact
- 1913-03-26 Bulgaria captures Adrianople, ending the 1st Balkan War
- 1913-04-16 Bulgarians and the Turks agree to an armistice that will be accepted by the other nations involved
- 1913-05-07 An ambassadorial conference in St Petersburg, Russia, awards the town of Silistria to Rumania in compensation for Bulgaria's other territorial gains in the First Balkan War
- 1913-05-30 Treaty of London signed by the Great Powers, the Ottoman Empire and the victorious Balkan League (Serbia, Greece, Kingdom of Bulgaria, and Montenegro) bringing an end to the First Balkan War
- 1913-06-01 The Serbian government concludes a ten-year treaty with Greece against Bulgaria; Serbia wishes to pursue Macedonian aspirations with Greece's help
- 1913-06-29 An attack by Bulgarian General Michael Savov on Greek and Serbian positions causes the start of the Second Balkan War
- 1913-07-01 Serbia and Greece declare war on Bulgaria
- 1913-07-10 Romania declares war on Bulgaria
- 1913-07-20 Turkish troops take Adrianopel & Erdine from Bulgaria
- 1913-08-10 Treaty of Bucharest ends the Second Balkan War, Bulgaria cedes territory
- 1913-09-21 Turkey and Bulgaria sign peace treaty in Constantinople
- 1913-09-29 The Treaty of Constantinople between Turkey and Bulgaria restores peace; the Turks recover Adrianople and Maritza River line
- 1915-10-05 Bulgaria enters World War I as one of the Central Powers.
- 1915-10-11 Bulgarian anti-Serbian offensive begins
- 1915-10-16 Great Britain declares war on Bulgaria
- 1915-10-19 Russia and Italy declare war on Bulgaria
- 1916-08-17 Bulgarian offensive in Macedonia
- 1916-09-01 Bulgaria declares war on Romania
- 1918-10-03 Boris becomes king of Bulgaria
Abdication of Ferdinand I
1918-10-03 Tsar Ferdinand I of Bulgaria abdicates the throne in favour of his eldest son Tsar Boris III
- 1919-10-06 Stambuliski becomes premier of Bulgaria
- 1919-11-27 Peace of Neuilly-sur-Seine: Allies & Bulgaria
- 1920-08-09 Bulgarian & allied Peace of Neuilly-sur-Seine goes into effect
- 1920-09-04 Last day of Julian civil calendar (in parts of Bulgaria)
- 1923-06-09 Bulgarian premier Aleksander Stamboliyski overthrown in a coup led by the military
Roncalli Made Bishop
1925-03-19 Angelo Giuseppe Roncalli (future Pope John XXIII) becomes a bishop, appointed as Apostolic Visitor to Bulgaria
- 1929-03-06 Turkey & Bulgaria sign friendship treaty
- 1933-03-09 Bulgarian communists Georgi Dimitrov, Blagoy Popov & Vasil Tanev arrested in Berlin, Germany, on charges of complicity in the Reichstag fire; all were acquitted
- 1934-05-19 Military coup by Colonel Damian Veltsjev in Bulgaria
- 1935-04-21 King Boris of Bulgaria forbids all political parties
- 1940-09-07 Treaty of Craiova: Romania loses Southern Dobrudja to Bulgaria
- 1941-01-21 1st anti-Jewish measures in Bulgaria
- 1941-03-01 German troops invade Bulgaria
- 1941-03-02 World War II: First German military units enter Bulgaria after it joined the Axis Pact.
- 1941-04-19 Bulgarian troops invade Macedonia
- 1942-06-05 USA declares war on Bulgaria, Hungary & Romania
Operation Weiss
1943-01-20 Operation Weiss: German, Italian, Bulgarian & Croatian troops attempt to retake land liberated by Tito's partisans
Tsar Boris Visits Hitler
1943-08-16 Bulgarian Tsar Boris III visits Adolf Hitler
- 1944-08-26 Bulgaria announces withdrawal & German troops are to be disarmed
- 1944-09-01 Bulgaria government of Bagrjanow, resigns
- 1944-09-08 Russians march into Bulgaria; Bulgaria declares war on Germany
- 1944-09-09 Red Army supports coup in Bulgaria, instituting new Communist government (1946-1990) during the "National Uprising"
- 1944-09-15 Soviet troops free Sofia, Bulgaria
- 1944-10-28 Russia & Bulgaria sign weapons pact
- 1946-09-08 Bulgaria ends its monarchy
- 1946-10-27 Georgi Domitrovs National Front wins Bulgaria elections (78%)
- 1946-11-21 Georgi Dimitrov elected premier of Bulgaria
- 1949-07-20 Vasil Kolarov elected Premier of Bulgaria
- 1955-05-14 Warsaw Pact is signed by the Soviet Union, Albania, Bulgaria, Czechoslovakia, East Germany, Hungary, Poland and Romania
- 1955-07-27 Israeli passenger plane shot down above Bulgaria, 58 die
- 1956-04-03 Bulgarian vice premier Traitsjo Kostov rehabilitated (executed 1949)
- 1956-04-17 Bulgaria premier Valko Chervenkov resigns
- 1962-11-19 Todor Zhivkov (51) becomes Prime Minister of Bulgaria
- 1964-09-29 Greece & Bulgaria close boundaries
- 1966-08-31 Referee Leo Horn whistles his last soccer match (Ajax-Bulgaria)
- 1966-11-24 A Bulgarian plane with 82 people on board crashes near Bratislava, Slovakia.
- 1971-05-16 Bulgaria adopts its constitution
- 1971-05-18 Bulgarian constitution comes into effect
- 1979-04-10 Soyuz 33 launched with a Russian & a Bulgarian
- 1984-01-10 Bulgarian Tupolev 134 crashes at Sofia airport in Bulgaria, 50 die
- 1987-08-30 Stefka Kostadinova of Bulgaria sets high jump woman's record 2.09m (6'10½"), one of the most long-standing records in athletics
- 1988-08-20 Yordanka Donkova of Bulgaria sets 100m hurdle woman's record (12.21)
- 1988-12-27 Bulgaria stops jamming Radio Free Europe after more than 3 decades
- 1989-11-03 100s of Bulgarian demonstrate in Sofia for democratic rights
- 1989-11-10 Bulgarian Communist party president Todor Zhikov (78) resigns
- 1992-01-15 Bulgaria recognizes Macedonia
- 1992-08-08 Bulgarian canoeist Nikolay Bukhalov completes the C-1 500 / 1,000 double winning the latter at the Barcelona Olympics
- 1994-09-04 Bulgarian government of Lyuben Berov falls
- 1994-12-18 Socialist Party (ex-communist) wins Bulgaria parliamentary election
- 2001-07-24 Simeon Saxe-Coburg-Gotha, the last Tsar of Bulgaria when he was a child, is sworn in as Prime Minister of Bulgaria, becoming the first monarch in history to regain political power through democratic election to a different office.
- 2001-08-01 Bulgaria, Cyprus, Latvia, Malta, Slovenia and Slovakia join the European Environment Agency.
- 2002-11-21 NATO invites Bulgaria, Estonia, Latvia, Lithuania, Romania, Slovakia and Slovenia to become members.
- 2004-03-29 Bulgaria, Estonia, Latvia, Lithuania, Romania, Slovakia and Slovenia join NATO as full members
- 2005-04-25 Bulgaria and Romania sign accession treaties to join the European Union
- 2007-01-01 Bulgaria and Romania officially join the European Union. Also, Bulgarian, Romanian, and Irish become official languages of the European Union, joining 20 other official languages.
- 2007-05-13 Construction of the Calafat-Vidin Bridge between Romania and Bulgaria begins.
- 2009-06-11 Bulgarian authorities declare the country is officially in recession after dropping 1.6% in the last quarter of 2008
- 2012-07-18 6 Israeli tourists are killed and 30 injured after a bomb explodes on a tourist bus at Burgas Airport, Bulgaria
- 2014-10-02 15 people are killed after a gunpowder plant explodes in Gorni Lom, Bulgaria
Boris III
Hristo Stoichkov