Victorino de La Plaza was born on November 2nd 1840, in Payagosta, Salta Province, Argentina. He was the son of Jose Mariano Roque de La Plaza y Elejalde, and Maria Manuela Palacios. His brother was Rafel de La Plaza, who was governor of the province of Santiago del Estero. Upon his Father's death, his mother took charge of raising the Children. Victorino began his scholastic education at an Argentine public school, yet he stayed in that school for a short period of time, because he entered a Franciscan convent. During his childhood he did a little bit of work, he sold newspapers, sweets and empanadas that were prepared by his mother. After this, he began working as an attorney and as a scribe. Subsuqently he passed and examination before the Supreme Court of Justice, for which he obtained the title of rotary in 1859. He gained a scholarship granted by the government of the Confederation which allowed him to enter the :es:Colegio del Uruguay|Colegio de Uruguay. It is unknown exactly when he was admitted, but it is known that it was between 1859 and 1862. After this period of his education, he went to Buenos Aires, to enter Buenos Aires University. He proved to be an outstanding student and thus, this allowed President Miter to appoint him to the position of Second Clerk, of the National Accounting Office. He was first appointed scribe, though, in 1864.
Military career
Victorino De La Plaza had a distinctly short military career. When the Triple Alliance War began, he abandoned his university studies to join an Artillery Regiment. He was chosen to be an assistant to :es:Julio de Vedia|General Julio de Vedia; a member of the Argentinian military with a prominent role against the Mapuches and in the Triple Alliance War, who was also Governor of the :es:Territorio Nacional del Chaco|Chaco National Territory. He fought in the Battles of, :es:Batalla de Estero Bellaco|Estero Bellaco, on May 2, 1866, and the Battle of Tuyuti on May 24th of the same year. Subsuqently the Government of Uruguay awarded him both the, Silver Sol medal for his actions in the battle of Estero Ballaco and with the award of the, Cords of Honor for his performance at the Battle of Tuyuti. Bartolome Miter, promoted him to the rank of Captain, and have him a mention for his heroism. However, although he had performed exceptionally well he had to return to Buenos Aires due to the fact that he suffered from health problems.
Law
Upon his return to Buenos Aires, he enrolled in the :es:Facultad de Derecho |Law faculty at Buenos Aires University. He graduated on July 13th, 1868 with his thesis called Credit as Capital. His godfather was Dalmacio Velez Sarsfield. Whom he worked, as a scribe, for while Dalmacio was drafting the Civil code.
Entrance into politics, and early political career.