Casa de Esteban de Luca, Buenos Aires, Argentina.
Creaking Pagoda, Tsarskoe Selo, Russia, designed by Georg von Veldten.
Golghar, Patna, India, built by Captain John Garstin.
Henley Bridge, designed by William Hayward of Shrewsbury, who died before construction had begun.
Schloss Bellevue in Berlin, Germany, designed by Philipp Daniel Boumann.
St. Catherine's Cathedral, Kherson, Ukraine, built by General Ivan Gannibal.
Grand Prix de Rome, architecture: Charles Percier.
January 23 - Auguste de Montferrand, French Neoclassical architect who worked primarily in Russia (died 1858)
May 7 - John Watts, Irish military architect (died 1873)
February 28 - John Gwynn, English architect and civil engineer (born 1713)
October 20 - Humphrey Sturt, British architect (born c.1725)
1786 in architecture Wikipedia
The year 1786 in architecture involved some significant architectural events and new buildings.