Casati Stampa murders
1970 CE.
Shown on the map at 41.912°, 12.492°.
The Casati Stampa murders refer to the 1970 murders, in Rome, Italy, committed by Camillo II Casati Stampa di Soncino, Marquis of Casate, of his wife Anna Fallarino and her lover Massimo Minorenti, followed by the suicide of the murderer, a crime that, at the time, "shocked Italy."
Text from the Wikipedia article Casati Stampa murders, licensed CC BY-SA 4.0.