This document summarizes some of the key differences between Romanesque and Gothic architecture and art from 1050-1500 CE. It discusses changes in religious beliefs, society, economics, and politics during this period. Architecturally, it describes the transition from solid, grounded Romanesque churches to the pointed arches, ribbed vaulting, flying buttresses, and emphasis on height and light in Gothic cathedrals. Important cathedrals discussed include Saint-Denis, Chartres, Reims, and Amiens. The document also notes the spread and regional variations of Gothic styles across Europe.