 The outlines of the archdeaneries of Bruges and Ghent formed the new diocese of Bruges and diocese of Ghent, and six parishes passed to the new diocese of Ypres.This situation lasted until the beginning of the 19th century.The French Revolution created the Department of Jemappes, which in 1815 became the Province of Hainault, whose borders coincided with those of the Diocese of Tournai, after a concordat between the plenipotentiaries of Pius VI and the consular government of the republic.