The Christianization of Poland (Polish: chrystianizacja Polski) refers to the introduction and subsequent spread of Christianity in Poland. The impetus to the process was the Baptism of Poland (Polish: chrzest Polski), the personal baptism of Mieszko I, the first ruler of the future Polish state, and much of his court.The ceremony took place on the Holy Saturday of 14 April …

The Christianization of Lithuania (Lithuanian: Lietuvos krikštas) occurred in 1387, initiated by King of Poland and Grand Duke of Lithuania Władysław II Jagiełło and his cousin Vytautas the Great.It signified the official adoption of Christianity by Lithuania, the last pagan country in Europe. This event ended one of the most violent processes of Christianization in European history.

Poland is a country in Central Europe. Its official name is Republic of Poland.It is on the east of Germany (along Oder and Lusatian Neisse).The Czech Republic and Slovakia are to the south, Ukraine and Belarus to the east, and the Baltic Sea, Lithuania, and the Russian exclave Kaliningrad to the north. The total land area of Poland is about 312,679 km 2 (120,728 mi 2), slightly larger …