1791 in architecture

The year 1791 in architecture involved some significant architectural events and new buildings.

Events

 * The elevations of Charlotte Square in Edinburgh, Scotland, are designed by Robert Adam.
 * Polish architect Jakub Kubicki is ennobled.

Buildings opened

 * January 6 – Théâtre Feydeau, Paris, designed by Jacques Legrand and Jacques Molinos.
 * November 7 – The Custom House, Dublin, Ireland, designed by James Gandon.

Buildings completed

 * Bara Imambara, Lucknow, India
 * Brandenburg Gate, Berlin, Germany
 * Clyne Castle, Swansea, Wales, built by Richard Phillips
 * Gammel Køgegård, Køge, Denmark (main house)
 * Buenos Aires Metropolitan Cathedral, Argentina (rebuilt)
 * Plaza Mayor, Madrid, remodelling by Juan de Villanueva
 * Rock Castle (Hendersonville, Tennessee), United States, home of Daniel Smith.
 * Tower of Hercules (lighthouse) in Spain (remodelling)
 * Dar Hassan Pacha (palace) in the Casbah of Algiers.

Births

 * January 14 – Thomas Oliver, English neoclassical architect (died 1857)
 * March 15 – Lewis Vulliamy, English architect (died 1871)
 * April 17 (bapt.) – William Cubitt, English building and civil engineering contractor and politician (died 1863)
 * June 7 – Giacomo Moraglia, Milanese neoclassical architect (died 1860)

Deaths

 * December 19 – Jean-François de Neufforge, Flemish architect and engraver (born 1714)