+**816** was a [leap year](/wiki/Leap_Year) in the [Julian calendar](/wiki/Julian_Calendar) of the early [Middle Ages](/wiki/Middle_Ages). This era witnessed continued consolidation of the [Carolingian Empire](/wiki/Carolingian_Empire) and significant ecclesiastical events across Europe.
+## See also
+- [9th Century](/wiki/9th_Century)
+- [Louis the Pious](/wiki/Louis_the_Pious)
+- [Holy Roman Empire](/wiki/Holy_Roman_Empire)
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