At the request of the pope, he created an information office for prisoners of war and refugees, which in the years of its existence from 1939 until 1947 received almost ten million (9 891 497) information requests and produced over eleven million (11.293.511) answers about missing persons. Montini was several times openly attacked by Benito Mussolini's government as a politician, and meddling in politics, but each time he found powerful defenses by the Vatican. In 1944, Luigi Maglione died, and Pius XII appointed Tardini and Montini together as heads of the State Department. Montini's admiration was almost filial, when he described Pope Pius XII:

In what year was the office for information for prisoners and refugees founded?