This story appears in the January/February 2017 issue of National Geographic History magazine. On a spring day in 1480, Cardinal Rodrigo Borgia ordered various astrologers to his home in Rome to ...

In the early 16th century Italy is ruled by the powerful Borgia family, led by Cesare Borgia and his sister Lucrezia. In a ruthless power play, Cesare plots to have his sister’s husband murdered.