1721 in architecture
# 1721 in architecture

The year 1721 in architecture involved some significant events.

## Buildings and structures

### Buildings

* Bocking Windmill, Essex, England.
* 7 Burlington Gardens, later Queensberry House, London, Giacomo Leoni's first design for England
* Fort King George, along the Altamaha River in the modern-day US state of Georgia
* Ruthven Barracks in Scotland completed
* Jackson Square (New Orleans), New France
* Nazarbaug Palace, Gujarat, India
* Ellingen Residence in Ellingen, Bavaria completed in its Baroque form
* Písek Gate, Prague, Czech Republic
* Saint Paul the First Hermit Cathedral completed as parish church of San Pablo, Laguna, Philippines

## Awards

* Grand Prix de Rome, architecture: Philippe Buache.

## Births

* March 5 – John Adam, architect, brother of Robert Adam and James Adam (died 1792)
* March 26 - Nicolas Le Camus de Mézières, French architect (Bourse de Commerce) and author (died 1793)
* date unknown
   * Francesco Sabatini, Sicilian architect working in Spain (died 1797)
   * Thomas Sandby, English draughtsman, watercolour artist, architect, and teacher (died 1798)

## Deaths

* February 11 – Carlo Francesco Bizzaccheri, Italian architect (born 1656)
* June 11 – Sir Anthony Deane, English naval architect, shipbuilder and politician (born 1633)
