Short answers, pulled from the story.
The Carolingian Renaissance occurred during the reign of Charlemagne from 768 to 814. This period involved creating new churches and schools where students were required to learn Latin and Greek.
The Ottonian Renaissance took place during the reign of Otto I, King of the Saxons from 936 to 973. He unified his kingdom and asserted his right to appoint bishops and archbishops throughout his realm.
Many northern cities of the Holy Roman Empire became Hanseatic cities including Hamburg, Stettin, Bremen, and Rostock after Lübeck was founded in 1158 or 1159. Hanseatic cities outside the empire included Bruges, London, and Gdańsk.
Water-driven hammers to pulp plant fibres for textiles are documented as early as 1010 in Upper Palatinate in Germany. Waterpowered paper mills were first documented in 1238 in Spanish Valencia.
Scholastic scholars of the 13th century such as Albertus Magnus, Bonaventure, and Thomas Aquinas became revered as doctors of the Church. They used secular study and logic to uphold existing orthodoxy.