This system mainly functions from the 11th to the 20th century: il Quattrocento (that is “the four hundred”, the 15th century) il Cinquecento (that is “the five hundred”, the 16th century). These terms are often used in other languages when referring to the history of Italy. Similar dating units in other calendar systems
Lucius Calpurnius Piso Caesoninus (101 BC – c. 43 BC) was a Roman senator and the father-in-law of Julius Caesar through his daughter Calpurnia. He was reportedly a follower of a school of Epicureanism that had been modified to befit politicians, as Epicureanism itself favoured withdrawal from politics.