The work of International Eucharistic Congresses began in France in 1881 as a fruit of the Eucharistic apostolate of Saint Peter-Julian Eymard, “the apostle of the Eucharist” (1811-1868), and of other outstanding figures such as Blessed Antoine Chevrier (1826-1879), Léon Dupont (1797-1876) and Bishop Gaston Adrian de Ségur (1820-1880). Thanks to the insight and commitment of Miss Émilie-Marie Tamisier (1834-1910), her idea of “Eucharistic pilgrimages” gradually changed into Congresses of Eucharistic Works, which later came to be known as “Eucharistic Congresses”. Immediately submitted to the Holy See, International Eucharistic Congresses appeared as public events focused on stimulating the faith of Catholics in the “Real Presence”, on promoting increased zeal for devotion to the Eucharist outside of Mass, and on proclaiming the social Kingship of Christ against the laicism then regnant. Devotion to the Eucharist outside of Mass almost exclusively characterized the Euch...