|Covid-19|February 3 - Severe earthquake in L'Aquila damages many buildings.
May - Cabin of Peter the Great, built in three days by soldiers of the Semyonovsky Regiment.
Cambrai Cathedral, France
La Merced Cloister designed and constructed as part of a monastery in Mexico City by Juan de Herrera
Stavenhagenhaus, Hamburg, Germany (dated from the arms above the main entrance door)
Approximate date - Church of St. Anne, Kraków, Poland, designed by Tylman van Gameren, is completed
February - Robert Morris, English architect and writer on architecture (died 1754)
October 13 - Andrea Belli, Maltese architect and businessman (died 1772)
December 11 - Giovanni Antonio Medrano, Italian architect (died 1760)
Approximate date - Sir Thomas Robinson, 1st Baronet, English nobleman and amateur architect (d. 1777)
February 16 - Lorenzo Gafà, Maltese Baroque architect and sculptor (born 1639)
March 3 - Robert Hooke, English natural philosopher, architect and polymath (born 1635)
December 27 - Thomas Cartwright, English architect (born c.1635)
1703 in architecture Wikipedia
The year 1703 in architecture involved some significant architectural events and new buildings.