[Sidenote: Conversion of Poland.]
The Church of Poland was founded about A.D. 966, when a daughter of the
Christian Duke of Bohemia married Miecislav, Duke of Poland, and
introduced Christianity into her adopted country.
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[Sidenote: Romanizing the church of Poland.]
The Polish Church at first bore traces of its Eastern origin in its
liturgy and ritual, but these traces were removed by Casimir I. (A.D.
1040-A.D. 1058), who, previous to his accession, had been a monk in a
French or German monastery, and who made a point of bringing the Church
of his own country into uniformity with the other Churches of the West.