1572 papal conclave
1572 CE.
Shown on the map at 41.904°, 12.456°.
The 1572 papal conclave (12–13 May), convoked after the death of Pope Pius V, elected Cardinal Ugo Boncompagni, who took the name Gregory XIII.
Text from the Wikipedia article 1572 conclave, licensed CC BY-SA 4.0.