Guggiari, Juan Silvano Godoy, Carlos R. Centurión, Fulgencio R. Moreno, Ricardo Brugada (son), Juan Casabianca, Ignacio A. Pane, Ramón V. Caballero and others. In 1908, he was a conspicuous collaborator in conferences in a lot of popular literary publishing from the time. Since he arrived to Paraguay, the name Viriato was never estranged from the cultural activity in Asunción. He participated in diverse cultural acts of international disclosure, with Argentina, Brazil, Uruguay, United States, Spain, Italy and Germany. Since that year to the second decade of the century, his prodigious literary publications were amazing. He was renowned as an important part of the Paraguayan intellectuality. He was known even in foreign circles and gained fame as a wise man. As the Paraguayan delegate to the Congreso de Bibliografía e Hisoria (Congress of Bibliography and History) in 1916 in Buenos Aires, Argentina, he presented his work “Polibiblión Paraguayo”, a guide of bibliographic indications about Paraguay. Work He was editor in chief of the important Magazine of the Paraguayan Institute. In 1913, he created the Revista Paraguaya (Paraguayan Magazine). In 1924, he wrote the official inform about “La cultura y escultura en el Paraguay” (The culture and sculpture in Paraguay), presented to the League of Nations. In 1925, he collaborated with the Revista del Paraguay (Magazine of Paraguay), directed by the investigator and poet Enrique Parodi. He organized the Segundo Congreso Internacional de Historia y Geografía de América (2nd International Congress of History and Geography of America), in Asunción on October 12, 1926. In 1930, he published in “La Asunción” a magnificent study called “Las comunidades peninsulares en su relación con los levantamientos comuneros americanos y en especial con la Revolución Comunera del Paraguay” (The peninsular communities in their relation with the raising of the American Comuneros and especially with the Revolución in Paraguay). In 1948, he collaborated with his monograph “La literature en el Paraguay” (The literature in Paraguay) to integrate the great Universal History of Literature, of Prapoline, encyclopedia of XIII volumes. Díaz Pérez was one of the most important figures in the complex time of 1900 in Paraguay. Last years He offered more than three hundred conferences. He gave the classes for more than forty years in the most known educational institutions. His humanist culture, his profound knowledge and inexhaustible intellectual activity made him deserving of the respect of students and pairs. He died in Asunción, on August 25,