|Covid-19|Basilica of Superga in Italy, designed by Filippo Juvarra, is completed.
Cumbernauld House in Scotland, to designs by William Adam, is built.
Hôtel Peyrenc de Moras in Paris, designed by Jean Aubert, is completed.
Jakobstad Church in Finland, designed by Johan Knubb, is built.
Jerusalem's Church in Berlin, designed by Philipp Gerlach, is completed.
Royal Theatre in Mantua, Italy, designed by Ferdinando Galli-Bibiena, is built.
Trooditissa Monastery on Cyprus is built.
January 13 - Carl von Gontard, German architect (d. 1791)
April 14 - Laurent-Benoît Dewez, Belgian architect (d. 1812)
May 10 - Victor Louis, French architect (d. 1800)
Andrea Giganti, Sicilian Baroque architect (d. 1787)
Approximate date - John Hawks, English-born architect working in the Province of North Carolina (d. 1790)
November 6 - James Smith, Scottish architect (b. c.1645)
Francesco de Sanctis, Roman architect (b. 1679)
1731 in architecture Wikipedia
The year 1731 in architecture involved some significant events.