His biographer and defender, Sócrates Nolasco, assures that Florentino must have been born between 1805 and 1806; but other information maintains that he was 52 years old in 1861, so his birth must have occurred in 1809; and the same historian Nolasco cites statements offered in Azua by Florentino himself who declared that he was 55 years old in 1863, that his birthplace had been Santo Domingo and that he had lived in San Juan de la Maguana, which sets the date of his coming to the world in 1808.

And famous was the duel he had with another brave man from the legendary south, Timoteo Ogando, the head of the heroic tribe of Pedro Corto.

On October 11, 1856, under the presidency of the leader of his political devotion, Buenaventura Báez, went on to occupy the Arms Command of San Francisco de Macorís and later to serve as Governor of La Vega, a province that then included Moca, Cotuí, Bonao, Constanza, Jarabacoa and San Francisco de Macorís to the Northeast coast.

The provisional government of Cibao, based in the city of Santiago, proceeded to appoint Pedro Florentino as Senior Chief of Operations in the South.

Because I should not bear the responsibility of such a crime.”[1] He led the uprisings of San Juan, Las Matas de Farfán and Sabana Mula, between September 16 and 17 and days later that of Neiba and Barahona, whose protagonist and main organizer was General Ángel Félix –Liberata–.

Together with him and other officers such as General Aniceto Martínez, Florentino, superior leader of the movement in the entire region, attacked Azua, took Baní, San Cristóbal and on the banks of the Haina he threatened to march on the Capital, just as he had been told, as proposed to President José Antonio Salcedo.

The Spanish attack became unstoppable, the Dominicans could not find a way to stop that overwhelming march and the Southern region once again fell into the hands of the annexationists.

Florentino did not find a way to offer effective resistance to that attack, he himself withdrew towards the vicinity of the border; demoralization Gabino Simonó, Rudecindo de León, Francisco Martínez, Domingo Piñeiro, Julián Morris, Pedro Zorilla, Manuel Baldemora, Juan Gregorio Rincón, José Corporán, Luciano Solís, Romualdo Montero, Juan de la Cruz, Epifanio Jiménez Sierra and José Luis Paredes.