Soviet occupation of Bessarabia and Northern Bukovina in the context of "Second World War"

World War II or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated, with many nations mobilising all resources in pursuit of total war. Tanks and aircraft played major roles, enabling the strategic bombing of cities and delivery of the first and only nuclear weapons ever used in war. World War II is the deadliest conflict in history, causing the death of 70 to 85 million people, more than half of whom were civilians. Millions died in genocides, including the Holocaust, and by massacres, starvation, and disease. After the Allied victory, Germany, Austria, Japan, and Korea were occupied, and German and Japanese leaders were put on trial for war crimes.

The causes of World War II included unresolved tensions in the aftermath of World War I, the rise of fascism in Europe and militarism in Japan. Key events preceding the war included Japan's invasion of Manchuria in 1931, the Spanish Civil War, the outbreak of the Second Sino-Japanese War in 1937, and Germany's annexations of Austria and the Sudetenland. World War II is generally considered to have begun on 1 September 1939, when Nazi Germany, under Adolf Hitler, invaded Poland, after which the United Kingdom and France declared war on Germany. Poland was divided between Germany and the Soviet Union under the Molotov–Ribbentrop Pact. In 1940, the Soviet Union annexed the Baltic states and parts of Finland and Romania. After the fall of France in June 1940, the war continued mainly between Germany, now assisted by Fascist Italy, and the British Empire, with fighting in the Balkans, Mediterranean, and Middle East, the aerial Battle of Britain and the Blitz, and the naval Battle of the Atlantic. Through campaigns and treaties, Germany gained control of much of continental Europe and formed the Axis alliance with Italy, Japan, and other countries. In June 1941, Germany invaded the Soviet Union, opening the Eastern Front and initially making large territorial gains.

Moldova, officially the Republic of Moldova, is a landlocked country in Eastern Europe, with an area of 33,843 km (13,067 sq mi) and a population of 2.38 million. Moldova is bordered by Romania to the west and Ukraine to the north, east, and south. The unrecognised breakaway state of Transnistria lies across the Dniester river on the country's eastern border with Ukraine. Moldova is a unitary parliamentary representative democratic republic with its capital in Chișinău, the country's largest city and main cultural and commercial centre.

Most of Moldovan territory was a part of the Principality of Moldavia from the 14th century until 1812, when it was ceded to the Russian Empire by the Ottoman Empire (to which Moldavia was a vassal state) and became known as Bessarabia. In 1856, southern Bessarabia was returned to Moldavia, which three years later united with Wallachia to form Romania. Still, Russian rule was restored over the entire region in 1878. During the 1917 Russian Revolution, Bessarabia briefly became an autonomous state within the Russian Republic. In February 1918, it declared independence and then integrated into Romania later that year following a vote of its assembly. The decision was disputed by Soviet Russia, which in 1924 established, within the Ukrainian SSR, a so-called Moldavian autonomous republic on partially Moldovan-inhabited territories to the east of Bessarabia. In 1940, as a consequence of the Molotov–Ribbentrop Pact, Romania was compelled to cede Bessarabia and Northern Bukovina to the Soviet Union, leading to the creation of the Moldavian Soviet Socialist Republic (Moldavian SSR).

The Soviet occupation of Romania refers to the period from 1944 to August 1958, during which the Soviet Union maintained a significant military presence in Romania. The fate of the territories held by Romania after 1918 that were incorporated into the Soviet Union in 1940 is treated separately in the article on Soviet occupation of Bessarabia and Northern Bukovina.

During the Eastern Front offensive of 1944, the Soviet Army occupied the northwestern part of Moldavia as a result of armed combat that took place between the months of April and August of that year, while Romania was still an ally of Nazi Germany. The rest of the territory was occupied after Romania changed sides in World War II, as a result of the royal coup launched by King Michael I on August 23, 1944. On that date, the king announced that Romania had unilaterally ceased all military actions against the Allies, accepted the Allied armistice offer, and joined the war against the Axis powers. As no formal armistice offer had been extended yet, the Red Army occupied most of Romania as enemy territory prior to the signing of the Moscow Armistice of September 12, 1944.

The Moldavian Autonomous Soviet Socialist Republic, shortened to Moldavian ASSR, was an autonomous republic of the Ukrainian Soviet Socialist Republic between 12 October 1924 and 2 August 1940, encompassing the modern territory of Transnistria (today de jure in Moldova, but de facto functioning as an independent state; see Transnistria conflict) as well as much of the present-day Podilsk Raion of Ukraine. It was an artificial political creation inspired by the Bolshevik nationalities policy in the context of the loss of larger Bessarabia to Romania in April 1918. In such a manner, the Bolshevik leadership tried to radicalize pro-Soviet feelings in Bessarabia with the goal of setting up favorable conditions for the creation of a geopolitical "place d'armes" (bridgehead), in an attempt to execute a breakthrough in the direction of the Balkans by projecting influence upon Romanian Bessarabia, which would eventually be occupied and annexed in 1940 after the signing of the Molotov–Ribbentrop Pact.
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The Moldavian Soviet Socialist Republic or Moldavian SSR (Romanian: Republica Sovietică Socialistă Moldovenească, Moldovan Cyrillic: Република Советикэ Сочиалистэ Молдовеняскэ), also known as the Moldovan Soviet Socialist Republic, Moldovan SSR, Soviet Moldavia, Soviet Moldova, or simply Moldavia or Moldova, was one of the 15 republics of the Soviet Union that existed from 1940 to 1991. The republic was formed on 2 August 1940 from parts of Bessarabia, a region annexed from Romania on 28 June of that year, and parts of the Moldavian Autonomous Soviet Socialist Republic, an autonomous Soviet republic within the Ukrainian SSR.

From the Moldavian Soviet Socialist Republic Supreme Soviet's adoption of the declaration of sovereignty on 23 June 1990 to 23 May 1991, the country was internationally recognized as the Soviet Socialist Republic of Moldova. Furthermore, from 23 May 1991 until the declaration of independence on 27 August 1991, it was renamed to the Republic of Moldova while remaining a constituent republic of the USSR. Its independence was officially recognized by the international community on 26 December of that year when the USSR was dissolved.

Lavrentiy Pavlovich Beria (29 March [O.S. 17 March] 1899 – 23 December 1953) was a Soviet politician and one of the longest-serving and most influential of Joseph Stalin's secret police chiefs, serving as head of the NKVD from 1938 to 1946, during the country's involvement in the Second World War.

An ethnic Georgian, Beria enlisted in the Cheka in 1920, and quickly rose through its ranks. He transferred to Communist Party work in the Caucasus in the 1930s, and in 1938 was appointed head of the NKVD by Stalin. His ascent marked the end of the Stalinist Great Purge carried out by Nikolai Yezhov, whom Beria purged. After the Soviet invasion of Poland in 1939, Beria organized the Katyn massacre of 22,000 Polish officers and intelligentsia, and after the occupation of the Baltic states and parts of Romania in 1940, he oversaw the deportations of hundreds of thousands of Poles, Balts, and Romanians to remote areas or Gulag camps. In 1940, Beria began a new purge of the Red Army. After Operation Barbarossa, the Axis invasion of the Soviet Union in June 1941, he was appointed to the State Defense Committee, overseeing security.

The Metropolis of Bessarabia (Romanian: Mitropolia Basarabiei), also referred to as the Bessarabian Orthodox Church, is an autonomous Eastern Orthodox Metropolitan bishopric of the Romanian Orthodox Church, situated in Moldova. Its canonical jurisdiction is the territory of the Republic of Moldova, and over the Moldovan and Romanian Orthodox diaspora from the former USSR.

The Metropolis of Bessarabia was created in 1918, as the Archbishopric of Chișinău, and organized as a Metropolis, in 1927. Inactive during the Soviet occupation of Bessarabia (1940–1941) and the Soviet rule in Moldova (1944–1991), the Metropolis of Bessarabia was re-activated on 14 September 1992, and raised to the rank of exarchate, in 1995. The current Metropolitan of Bessarabia is Petru (Păduraru).