1773 in architecture

Events

• July 30 – Following the discovery of the iron waters in the civil parish of Fraião, archbishop D. Gaspar de Bragança orders the municipal council to proceed with the use of the waters. The municipal government contracts master mason Paulo Vidal to construct a fountain for 80$000 réis."for the people with better hygiene, comfort and seclusion to serve from the said water".
• Caspar Frederik Harsdorff is commissioned to redesign the Hercules Pavilion at Rosenborg Palace, Copenhagen, Denmark. His design with niches and statues gives the building its current name.
• Domenico Merlini becomes the Royal Architect in Poland.

Buildings and structures

Buildings completed

• Pulteney Bridge in Bath, England, designed by Robert Adam.
• St. Hedwig's Cathedral, Berlin, Germany.

Births

• August 30 – Mihály Pollack, Hungarian Neoclassical architect

Deaths

• March 1 – Luigi Vanvitelli, Italian engineer and architect