1623 papal conclave
1623 CE.
Shown on the map at 41.904°, 12.456°.
The 1623 papal conclave was convened on the death of Pope Gregory XV and ended with the election of Cardinal Maffeo Barberini as Pope Urban VIII. It was the first conclave to take place after the reforms that Gregory XV issued in his 1621 bull Aeterni Patris Filius.
Text from the Wikipedia article 1623 conclave, licensed CC BY-SA 4.0.