On the same day that the martyr Hector Valdivielso Sáez - the first Argentine saint - gave his life on October 9, the International Eucharistic Congress of 1934 began that marked a revival of Argentine Catholicism, a milestone from which a new life of the Church in Argentina, the dioceses increased, vocations grew, new parishes were built, and the laity became aware of their importance in the Church. Because of the magnitude of the crowds that attended public events, never before seen, it was the most important mass event in the country to date and, for some historians, the largest mobilization that has occurred in Argentina to date. 7.