Polish People's Republic
The Polish People's Republic (, ) was a state in Central Europe that existed from 1947 to 1989, and the predecessor of the modern democratic Republic of Poland. With a population of approximately 37.9 million inhabitants near the end of its existence, it was the most populous state of the Eastern Bloc after the Soviet Union. Having a unitary Marxist–Leninist communist government, it was also one of the main signatories of the Warsaw Pact. The official capital since 1947 and largest city was Warsaw, followed by industrial Łódź and cultural Kraków.
Prehistory and protohistory of Poland
The prehistory and protohistory of Poland can be traced from the first appearance of Homo species on the territory of modern-day Poland, to the establishment of the Polish state in the 10th century AD, a span of roughly 500,000 years.