High Quality Content by WIKIPEDIA articles! Georgian architecture is the name given in most English-speaking countries to the set of architectural styles current between 1720 and 1840. It is eponymous for the first four British monarchs of the House of Hanover—George I of Great Britain, George II of Great Britain, George III of the United Kingdom, and George IV of the United Kingdom—who reigned in continuous succession from August 1714 to June 1830.