St. Columba of this country was martyred in 853 after telling some Moors that Muhammad was a false prophet
...... themselves before the tomb of some holy martyr or confessor; after ...... 
as false prophets, seducers of the people, idolaters and adulterers... [DOC] [TLE] Project Gutenberg's Curiosities of Christian History, by Croake ... [PAR] Martyr Valeria, 142; St. Thecla and Polycarp, 143; St. Felicitas, 144; The Martyrs 
of .... 268; Death of St. Benedict, 269; St. Columba of Iona, 269; Death of St. 
Columba, ....