The document discusses various architectural styles throughout history that revived elements from previous eras, including Renaissance architecture which revived classical Greek and Roman styles between the 14th-17th centuries. Revivalism consciously echoes earlier styles like Neoclassicism in the 18th century which revived classical orders, symmetry, and proportions. Eclecticism in the 19th century incorporated a mixture of historical styles to create something new, like Saint-Vincent-de-Paul combining classical columns with Gothic towers. Gothic Revival also emerged in the 19th century drawing inspiration from medieval architecture through pointed arches and steep roofs. Examples of each style are provided and analyzed.