When did Italians immigrate to Argentina on a large scale?

Argentine whites are mostly of Spanish and Italian descent.

After the revival of 1860s, a large number of Italians immigrated to Argentina for various reasons, either for economic development or for political exile. In short, this wave of Italian immigrants continued until AD 1970. The influx of Italian immigrants has had an important impact on all aspects of Argentine society. 19 At the end of the 20th century, it was the climax of Italian emigration to Argentina. At that time, Italian immigrants once exceeded 10% of Argentina's total population.