Pazzi Chapel built
1429 CE.
Shown on the map at 43.767°, 11.263°.
The Pazzi Chapel (Italian: Cappella dei Pazzi) is a chapel located in the "first cloister" on the southern flank of the Basilica di Santa Croce in Florence, Italy. Commonly credited to Filippo Brunelleschi, it is considered to be one of the masterpieces of Renaissance architecture.
Text from the Wikipedia article Pazzi Chapel, licensed CC BY-SA 4.0.