The following contributed to the support and discovery of deep time: A. Charles Darwin publishes his influential book On the Origin of Species. B. James Ussher concludes that Creation began at sunset on Saturday, October 22, 4004 BC. C. Jacques Bocher de Crevecoeur de Perthes found ancient axe heads in the gravels of the Somme River. D. Charles Darwin publishes his influential book On the Origin of Species and Jacques Bocher de Crevecoeurde Perthes found ancient axe heads in the gravels of the Somme River.