Architectural and decorative arts style that flourished in the USA from shortly after the acknowledgement of independence in the Treaty of Paris (1783) until c. 1820. The term is derived from the period surrounding the creation of the federal constitution in 1787 and was in use in a political sense by that year. Essentially it was a form of Neo-classicism, strongly influenced by manifestations of that style in England and, to a lesser extent, in France; but at times certain more conservative qualities inherited from the previous Colonial period are also present. The inspiration of European, and especially English, Neo-classical architecture was to be expected in a society grounded in that of 18th-century England; but an added impetus was the association often cited at the time between the fledgling American republic and the ancient Roman one.
Although a few indications of European Neo-classical influence are found in the American colonies before the Revolution began in ...