|Covid-19|1417–1420 - Ulugh Beg Madrasah in Samarkand is built.
1419–1427 - Ospedale degli Innocenti in Florence (first stage), designed by Filippo Brunelleschi.
Khan Jaqmaq, Damascus, is completed.
Forbidden City of Beijing, China, is completed.
Temple of Heaven in Beijing is completed.
1424 - Start of final stage of construction of Doge's Palace, Venice.
1425 – Rebuilding of Sherborne Abbey choir, England, begins.
1428–1430 - Ca' d'Oro, Venice, built by Giovanni and his son Bartolomeo Bon for the Contarini family of doges.
1427 – Harmondsworth Great Barn in England is completed.
1428 – Church of Sant'Agostino, Amatrice, Kingdom of Naples, is built.
1429 – Ulugh Beg Observatory in Samarkand is completed.
c. 1429 - Guiniforte Solari, Milanese engineer, architect and sculptor (died 1481)
1420s in architecture Wikipedia