Hildebrand, on hearing of Benedict X's election,…
December 1058 CE
Hildebrand, on hearing of Benedict X's election, decides to oppose it, and obtains the support for the election of Gérard de Bourgogne instead.
Those cardinals who had opposed Benedict X's election meet at Siena in December 1058 and elect Gérard as Pope instead.
He takes the name Nicholas II.