Some sources state that her death took place in the 5th century.
A major reconstruction of the church took place in the 14th century.
The novel takes place some time in the 21st century.
Steps to preserve the site were taken in the 20th century.
Further works, particularly on the upper part of the west front, took place in the 13th century.
The town walls were taken down early in the 19th century.
The round tower was taken under State care in the late 19th century.
It took more than 50 years in the 20th century.
The first burial took place in the early 19th century.
The main events appear to take place in the 9th century.