HENRY, PATRON SAINT OF FINLAND , a bishop, probably of English origin, who came to Finland with King Eric IX of Sweden in 1155 on a crusade. He was murdered by a peasant and became Finland's martyred patron saint.
The Liturgy of St. Henry evolved at the end of the thirteenth century in observance of his death on January 20, 1156. The Mass portion contained, in addition to the usual parts, a thirty-two-verse sequence, Coetus noster laetus esto,
which was composed...