When the Crusaders invaded the Levant in 1099 , they identified the dome as the spot where Saint James was martyred .
When the Crusaders invaded the Levant in 1099 , they transformed the building into a chapel dedicated to him within the Templum Domini .
When the Crusaders invaded the Levant in 1099 , they identified the dome as the spot where Saint James was martyred , and transformed the building into a chapel dedicated to him within the Templum Domini .