José de la Riva Agüero
José Mariano de la Cruz de la Riva Agüero y Sánchez Boquete, Marquess of Montealegre de Aulestia (3 May 1783 – 21 May 1858) was a soldier, politician, and historian who served as the 1st President of Peru and 2nd President of North Peru. He was the first Head of State who had the title of President of the Republic.