claim: A brief period of civil wars was sparked by the death of Nero.
evidence: Montrol Rock is the largest of a group of rocks lying east of Cape Juncal , D'Urville Island , in the Joinville Island group of Antarctica .. Cape Juncal. Cape Juncal. D'Urville Island. D'Urville Island, Antarctica. Joinville Island group. Joinville Island group. It was discovered by the French expedition under Captain Jules Dumont d'Urville , 1837 -- 40 , and named after Francois Mongin de Montrol , a French journalist and politician .. Jules Dumont d'Urville. Jules Dumont d'Urville. Francois Mongin de Montrol. Francois Mongin de Montrol