About José de la Mar
José Domingo de la Merced de La Mar y Cortázar was a Peruvian military leader and politician who served as the third President of Peru. José de San Martín awarded him with the title of "Division General", a title he accepted reluctantly. In 1815, Ferdinand VII promoted him to Brigadier, awarded him the Saint Hermenegildo's Cross and appointed him Sub-Inspector of the Viceroyalty of Peru, with the title of Governor of Callao.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.