Ecclesiae Fastos §13

¹³ Backed by the authority and support of these Pontiffs, throughout the period of his apostolate Boniface traversed immense regions with ever-growing zeal, shedding the Gospel's light on lands until then steeped in darkness and error; with untiring effort he brought a new era of Christian civilization to Friesland, Saxony, Austrasia, Thuringia, Franconia, Hesse, Bavaria. All these lands, he tirelessly cultivated and brought forth to that new life which comes from Christ and is fed by His grace. He was also eager to reach "old Saxony," which he looked on as the birthplace of his ancestors; however, this hope he was unable to realize.