The Teotihuacanos were a culture developed around the city of Teotihuacan, located in the central region of Mexico, during the early Classic Period, according to the periodization of Mesoamerican history. This had its apogee between the years 100 BC and 650 BC approximately.

The Treaty of Verdun was a treaty signed in August 843 AD by the descendants of the Emperor Charlemagne, after the death of his son Luis, the Pious. The objective of this was to end the succession struggles between the grandsons of Charlemagne, Lotario, Luis and Carlos, for the Crown of the Carolingian Empire.