1944 Bulgarian coup d'état

• 1. Introduction

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  The 1944 Bulgarian coup d'état took shape in the early hours of the 9th of September, when Zveno-affiliated officers and War Minister General Ivan Marinov seized the Ministry of War in Sofia while most of the city slept. Within four hours, troops loyal to the Fatherland Front controlled the government buildings, police headquarters, and communication hubs. By six twenty-five in the morning, Kimon Georgiev was on Radio Sofia announcing that the Fatherland Front had assumed power "in order to save the country."

  What makes this moment striking is how many forces converged on a single night: a nation officially neutral yet occupied by German troops, a Soviet army already inside its borders, a government that had been in office for less than a week, and a Communist-led coalition that had been planning this takeover since the 5th of September. How did Bulgaria end up at war with every major power at once? What happened to the king, the regents, and the politicians who were swept aside? And what kind of country emerged once the coup was complete?

• 2. A Country at War With Everyone

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  By the 8th of September 1944, Bulgaria held the unlikely distinction of being simultaneously at war with Britain, the United States, and the Soviet Union, while German troops still stood on its soil despite a declared neutrality. The sequence of events that produced this situation unfolded with remarkable speed over just two weeks.

  On the 26th of August, Prime Minister Ivan Bagryanov's government verbally declared Bulgaria's neutrality under the direct threat of the Red Army's offensive in neighbouring Romania. That same day, in Egypt, the Bulgarian government opened separate peace talks with the United Kingdom and the United States, hoping to bring British and American troops into the country as a buffer. The Bulgarian Workers' Party's Central Committee read the moment differently: on that same day it declared that seizing power through a popular uprising was now its official task.

  A new government formed on the 2nd of September under Konstantin Muraviev, drawn from the Bulgarian Agrarian National Union's "Vrabcha 1" faction. Muraviev continued peace talks, declared support for democratic reforms, and ordered German Army troops to withdraw. None of it satisfied Moscow. Partisan actions by Fatherland Front forces did not stop, the formal alliance with Nazi Germany was never dissolved, and no steps were taken to normalise relations with the Soviet Union. On the 5th of September, the USSR declared war on Bulgaria, catching the Western Allies by surprise. Four days later, units of the Soviet Third Ukrainian Front crossed into northeastern Bulgaria and met no opposition, because the Bulgarian government had ordered its own army to stand aside.

• 3. Planning the Night

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  On the 5th of September, the same day the Soviet Union declared war, the Central Committee of the Bulgarian Workers' Party and the general staff of the People's Liberation Revolt Army began planning the coup. The final details were worked out on the 8th of September. The plan called for coordinated action by partisan forces, BWP combat groups, and pro-Fatherland Front army detachments to assume control of the government during the night of the 9th of September.

  The stated objective was precise: the "overthrowing of the fascist authorities and the establishment of popular-democratic power of the Fatherland Front." Before a single soldier moved on Sofia, the country was already in ferment. On the 6th and the 7th of September, the Pernik miners went on strike, tram workers in Sofia stopped their routes, and general strikes broke out in Plovdiv and Gabrovo. Political prisoners were freed from jails in Pleven, Varna, and Sliven. Between the 6th and the 8th of September, partisan detachments entered more than 170 localities. In Varna, Burgas, and other cities, the Fatherland Front took local government control without any help from the Red Army.

  The Bulgarian Communists were determined to demonstrate that they could take power on their own terms, before Soviet forces reached the capital.

• 4. Sofia Falls in Four Hours

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  Around two in the morning on the 9th of September, the coup began in earnest in Sofia. General Ivan Marinov, the War Minister, led Zveno-affiliated officers in seizing the Ministry of War and other key installations. The First Infantry Division and reserve schools followed Marinov's orders and joined the uprising. The Ministry of Internal Affairs, the post, the telegraph, the radio station, and the railway station were all captured by army units and Fatherland Front detachments working in concert.

  By six twenty-five in the morning, Kimon Georgiev broadcast his proclamation over Radio Sofia. On the order of NOVA commander-in-chief Dobri Terpeshev, all partisan units came down from the mountains and moved into towns and villages across the country. In most places they met little resistance. In Sofia, Plovdiv, the Pernik region, Shumen, and Haskovo, loyalist army and police units fought back, but were defeated. The last holdout fell on the 12th of September, when partisans stormed the large artillery barracks at Haskovo after negotiations with the commanding officers broke down, suffering heavy casualties in the process.

  As of the 9th of September, the Red Army had not reached Sofia. The Bulgarian Communists had taken the capital themselves. That evening, a Bulgarian delegation including General Stanchev met Marshal Tolbukhin, commander of the Third Ukrainian Front, and at around ten in the evening Stalin ordered Soviet forces to halt all offensive operations in Bulgaria.

• 5. The Government Reshuffled

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  By midday on the 9th of September, the Muraviev government was finished. The new Fatherland Front cabinet drew together the Bulgarian Workers' Party, the BANU "Pladne" faction, the Bulgarian Social Democratic Workers' Party (Broad Socialists), and Zveno. Kimon Georgiev, who led the Zveno coup group, was confirmed as Prime Minister. Bulgaria nominally remained a monarchy under the seven-year-old Tsar Simeon II, though without real power.

  Former Prime Minister Muraviev was arrested, along with the three royal regents: Prince Kiril, Bogdan Filov, and Nikola Mihov. Other members of the former government and some army detachment heads were also detained. On the 10th of September, the old Interior Ministry police were abolished and replaced by a People's Militia drawn mainly from former partisans. That same day, 8,130 political prisoners were released from prisons, and the concentration camps of the former regime, including Gonda voda, Krasto pole, and Lebane, were closed. All fascist organisations and their publications were banned.

  The three former regents, Prince Kiril, Bogdan Filov, and Nikola Mihov, were executed on the 1st of February 1945.

• 6. Reprisals and the People's Court

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  A legal decree issued on the 12th of September authorised the arrest of all wartime cabinet ministers from 1941 to 1944, members of the old parliament, and high-ranking officers. In the weeks that followed, thousands were detained by militia and Fatherland Front cadres, including civil servants, landowners, intellectuals, Social Democrats, and Agrarians. Between 4,000 and 30,000 people were killed or went missing in just the first four months after the Communist regime took over.

  In December 1944, the government of Kimon Georgiev established the People's Court, a special tribunal aimed at trying fascist officials and wartime collaborators. Hearings began in early 1945. Alongside formal proceedings, extrajudicial killings of perceived class enemies surged, particularly in Sofia.

  The Soviet-dominated Allied Control Commission tightened its grip in December 1944. When the Council of Ministers issued a decree on the 3rd of December allowing officers charged under the People's Court law to be sent to the front and earn discharge through bravery, the Communists immediately denounced it as counter-revolutionary. On the 6th of December, Marshal Sergey Biryuzov, the Soviet head of the commission, demanded the decree be revoked. Georgiev's government complied. Communist cadres then moved into top posts in the General Staff and in the DS intelligence service, effectively sidelining War Minister Georgiev and Defence Minister General Damyan Velchev.

• 7. Aftermath and the New Republic

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  After the 9th of September, the Bulgarian Army joined the Soviet Third Ukrainian Front and fought across Yugoslavia and Hungary, reaching as far as Klagenfurt in Austria by April 1945. Although Bulgaria was not recognised as a full Allied member, it retained Southern Dobruja, which it had acquired in 1940 under the Treaty of Craiova.

  On the 28th of October 1944, Bulgaria signed the Moscow Armistice with the Allied Powers. Foreign Minister Petko Staynov signed alongside ministers Nikola Petkov, Dobri Terpeshev, and Petko Stoyanov for the Bulgarian side; Marshal Tolbukhin signed for the USSR. The armistice formalised what was already true on the ground: Bulgaria was now firmly in the Soviet sphere, required to tolerate Soviet occupation and submit to an Allied Control Commission dominated by Moscow.

  On the 8th of September 1946, a referendum was held on the monarchy. Bulgaria was declared a People's Republic on the 15th of September 1946, and the Tarnovo Constitution was replaced the following year by the Dimitrov Constitution. The Bulgarian Communist Party steadily consolidated its hold over the Fatherland Front coalition, reducing its member parties from five to two, with the Agrarian Union as the sole remaining partner, before achieving complete domination of Bulgarian politics that would last until 1989.