Diocese of Joliet Celebrating the 75th Anniversary of the Diocese of Joliet (www.DioJoliet.org/75th)November 2023: Please click here for information about the anniversary Novena of Grace and then click here for the Novena prayers.December 2023: Please click here for the complete 75th Anniversary timeline of celebrations throughout 2023 and 2024.January 2024: Please click here for the diocesan anniversary special intention prayers.