+**800** often marks the year of [Charlemagne](/wiki/Charlemagne)'s coronation as [Holy Roman Emperor](/wiki/Holy_Roman_Empire), a pivotal moment in European history. This cardinal number also represents a high standard or benchmark in various metrics, from scores to significant [telephone](/wiki/Telephone) prefixes.
+## See also
+- [Year](/wiki/Year)
+- [Number](/wiki/Number)
+- [Middle Ages](/wiki/Middle_Ages)
... 1 more lines