1721 papal conclave
1721 CE.
Shown on the map at 41.904°, 12.456°.
The 1721 papal conclave was called upon the death of Pope Clement XI. It began on 31 March 1721 and ended on 8 May that year with the election of Cardinal Michelangelo dei Conti as Pope Innocent XIII.
Text from the Wikipedia article 1721 conclave, licensed CC BY-SA 4.0.