Republic of Poland
Poland is the sixth most populous member state of the European Union. The origins of the Polish state and its Christianization date back to the 10th century. The Kingdom of Poland, which deepened the union with Lithuania in 1569, was one of the powerful European states, but disappeared in the three divisions of Poland (1772–1795). In 1918 Poland was restored as a republic. After World War II, which severely affected the country, until 1989 Poland was part of the Eastern Bloc.