Estonia is a country in north-eastern Europe. It is inhabited by around 1.3 million people and borders Latvia, Russia and the Baltic Sea. The most populous city and capital is Tallinn.
Today's Estonian state only regained its political independence in 1991 as a result of the so-called “Singing Revolution” in the Baltic states and in the wake of the collapse of the Soviet Union. Estonian independence was first proclaimed in 1918 and achieved through the “Estonian War of Independence” (1918-1920). As early as 1940, this first Estonian state was replaced by the “Estonian Soviet Socialist Republic”, which was founded under Soviet occupation. With an interruption due to the German occupation during the Second World War (1941-1944) and with slightly different borders, it was a constituent republic of the Soviet Union until 1991. Before 1918, the territory of present-day Estonia was part of the Russian Empire, with its northern part forming the Baltic Governorate of Estonia and its southern part the northern half of the Baltic Governorate of Livonia. In the High and Late Middle Ages and at the beginning of the early modern period, parts of today's country were also under Swedish, Danish and Polish rule, while the Livonian part was also under the sovereignty of the Teutonic Order until 1561.
Estonia has been part of the European Union and NATO since 2004.
The Soviet Union (SU or USSR) was a state in Eastern Europe, Central and Northern Asia that existed from 1922 to 1991. It emerged from the so-called Soviet Russia, the successor state of the Russian Empire. The Russian Soviet Republic formed the core of the union and at the same time its largest part, with further constituent republics added. Their number varied over time and was related to the occupation of other countries (Estonia, Latvia, Lithuania), Soviet republics that existed only for a short time (Karelo-Finlandia) or the division or merger of Soviet republics. In addition, there were numerous autonomous republics or other territorial units with an autonomy status that was essentially limited to linguistic autonomy for minorities.
Before its formal dissolution, the USSR consisted of 15 Soviet republics with a population of approximately 290 million people. At around 22.4 million km², it was the largest territorial state in the world at the time. The Soviet Union was a socialist soviet republic with a one-party system and an absence of separation of powers.
