• Born year: 1210
  • Born in: Holy Roman Empire
  • Death date: 1276-01-10
  • Death in: Holy Roman Empire
Pope Gregory X

Pope Gregory X (Latin: Gregorius X; ca. 1210 – 10 January 1276), born Teobaldo Visconti, was Pope from 1 September 1271 to his death in 1276. He was elected at the conclusion of a papal election that ran from 1268 to 1271—the longest papal election in the history of the Catholic Church.