|Covid-19|July 17 - A groundbreaking ceremony is held for the Pella Palace in Russia, designed by Ivan Starov; it will never be completed.
May 19 - Plaza de Toros de Ronda, Spain.
Attingham Park, Shropshire, England, designed by George Steuart.
Chertsey Bridge over the River Thames in England, designed by James Paine and Kenton Couse.
Marble Palace in Saint Petersburg, Russia, designed by Antonio Rinaldi.
Church of St. Stephen Harding in Apátistvánfalva.
Odigitrievsky Cathedral in Ulan Ude, Russia.
Palace of Iturbide in Mexico City, designed by Francisco Antonio de Guerrero y Torres.
Grand Palace, Bangkok, completed.
Rebuilding of Babolovo Palace in Tsarskoe Selo, Russia, by Ilya Neyelov.
Modifications to Neue Kirche, Berlin, by Georg Christian Unger after a design by Carl von Gontard.
Mussenden Temple on the north coast of Ireland.
October 29 - Achille Leclère, French architect (died 1853)
William Cubitt, English civil engineer (died 1861)
August 11 - Marie-Joseph Peyre, French architect (born 1730)
September 26 - Ventura Rodríguez, Spanish architect and artist (born 1717)
1785 in architecture Wikipedia
The year 1785 in architecture involved some significant architectural events and new buildings.