As a Cardinal, Montini journeyed to Africa (1962), where he visited Ghana, Sudan, Kenya, Congo, Rhodesia, South Africa, and Nigeria. After his journey, John XXIII gave him a private audience on his trip which lasted for several hours. In fifteen other trips he visited Brazil (<answer>1960</answer>) and the USA (<answer>1960</answer>), including New York City, Washington, DC, Chicago, the University of Notre Dame in Indiana, Boston, Philadelphia, and Baltimore. While a cardinal, he usually vacationed in Engelberg Abbey, a secluded Benedictine monastery in Switzerland.
In what year did Montini visit the United States?
1960