1458 papal conclave
1458 CE.
Shown on the map at 41.904°, 12.456°.
The 1458 papal conclave (16–19 August), convened after the death of Pope Callixtus III, elected as his successor Cardinal Enea Piccolomini, who took the name Pius II.
Text from the Wikipedia article 1458 conclave, licensed CC BY-SA 4.0.