The year 1256 is significant in the history of architecture, particularly in the context of the Gothic style. This period saw the continued development of pointed arches, ribbed vaults, and flying buttresses, which allowed for taller structures and larger windows. Notable examples from this era include the expansion of Notre-Dame de Paris and the construction of various cathedrals across Europe. In Italy, the Romanesque style was still prevalent, characterized by thick walls and small windows. However, the influence of Gothic architecture began to emerge, leading to a blend of styles. This transitional phase set the stage for the flourishing of Renaissance architecture in the following centuries.