About one hundred years later Gaspar Bufalo (died 1837) founded in Rome the Congregation of the Most Precious Blood to devote itself exclusively to parochial mission work.
In Austria they developed during the reign of Maria Theresa, but under her successor, Emperor Joseph II, missions were to a great extent prohibited, and missionaries banished.
After the Revolution of 1848 had spent itself that the Redemptorists, Jesuits, Capuchins, and Franciscans carried on the work of missions, especially in Bohemia and the Tyrol, in Westphalia, Bavaria, and Württemberg.
In 1786, Clement Mary Hofbauer, second founder of the Redemptorists, with his friend Thadäus Hübl, founded a house of the congregation in Warsaw, where King Stanislaus Poniatowski placed the German national church of St. Benno at their disposal.
After the death of Alphonsus Liguori, his missionaries evangelized the Catholics in the Russian Provinces of Courland and Livonia, on the invitation of Ferdinando Maria Saluzzo [it], Apostolic Nuncio in Poland.
In 1839 Pope Gregory XVI sent the Abbé Forbin-Janson on a missionary tour through the United States, where, for two years, he gave missions to the people and retreats to the clergy.
"Diocesan apostolates" are groups of priests, selected from the secular clergy, trained for mission work with special reference to the conversion of non-Catholics.