When Rome fell, most of Europe was taken over by various
types of supposed barbarians who did burn
or otherwise destroy much of the records of Greek and Roman
culture and civilization; this pretty much led to the
Dark Ages and the thousand years of stagnation, superstition,
and the system of princes and clergy which ruled the continent.
But wait, Ireland was moving the other way - from barbarism to
civilization, thanks to Patrick and others.
Records and other forms of knowledge were saved from oblivion
by the Irish' comparatively
tolerant thirst for knowledge, literature, whatever, and their
tireless copying and development of anything they could find
from the old days.
Effortlessly presented, engaging, and interesting.