Bulgarian coup d'état of 1944

The Bulgarian coup d'état of 1944, also known as the 9 September coup d'état (Bulgarian: Деветосептемврийски преврат, Devetoseptemvriyski prevrat) and called in pre-1989 Bulgaria the National Uprising of 9 September or the Socialist Revolution of 9 September, was a change in the Kingdom of Bulgaria's administration and government carried out on the eve of 9 September 1944. The government of Prime Minister Konstantin Muraviev was overthrown and replaced with a government of the Fatherland Front led by Kimon Georgiev. While the Soviet Union supported the coup, their forces (the Third Ukrainian Front) were not directly involved in it, as they had only occupied northeastern Bulgaria at this point. Following that date, large-scale political, economic and social changes were introduced to the country, with Bulgaria quitting the Axis and coming into the Soviet sphere of influence.

On 26 August 1944, the government of Ivan Bagryanov had orally declared Bulgaria's neutrality in the war under the threat of the Red Army's offensive in neighbouring Romania. At the same time, in Egypt the government had entered separate peace talks with the United Kingdom and the United States, hoping to secure the dispatch of British and American troops in Bulgaria. On that same day, the Central Committee of the Bulgarian Workers' Party (BWP) proclaimed the assumption of power by means of a popular uprising to be its official task.

A government of the Bulgarian Agrarian National Union (BANU) "Vrabcha 1", until then in opposition, was formed on 2 September 1944, headed by Konstantin Muraviev. It continued the peace talks, declared its support for democratic reforms and ordered the withdrawal of German Army troops from Bulgaria. At the same time, the guerrilla actions of the partisans did not cease, the alliance with Nazi Germany was not disbanded and no attempts were made to normalize the relations with Moscow, forcing the Soviet Union to treat the new government with suspicion. On 5 September 1944, the Soviet Union declared war on Bulgaria.

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