ing suspected of having had a share in the murder of the emperor elect, duke Frederick of Brunswick, as he sheltered the murderer, he became involved in a war with Brunswick and Hesse, which lasted until 1401 : he added to his diocese Wettcrau and Ardeck, besides sev- eral villages. Conrad HI, count of Stein, was in 1422 appointed vicar of the empire by emperor Sigismund ; but, being opposed by Louis of Heidelberg, he resigned that office in 1423 : he added to the diocese the city of Steinheim, and enacted strict regulations for the con- duct of the clergy. Under him the citizens of Jlayence continued to complain of the exemption from taxes en- joyed by the clergy, and he did not succeed in settling the question. He died in 1434. His successor, Die- trich I, of Erbach, was more fortunate, and put an end to the troubles in 1435, with the aid of two commission- ers of the Council of Basle. His whole time was taken up in quarrels with the pope and emperor; the Prag- matic Sanction of Mayence, of which he was the author, and in whicli he recognised the Council of Basle, the suppression of the annates, and the general restoration of canonical election, was rejected, while the Concordat of Aschaflenburg, which held the contrary views, was afterwards adopted. Dietrich died May 6, 1459, and was succeeded by Diether (Dietrich II), count of Isenburg- Budingen ; the latter, however, found a rival in count Adolph of Nassau, whom Frederick, elector of the Pala- tinate, supported by force of arms ; Diether was besieged in Heidelberg July 4, 1461, and obliged to fiee. In 1462 he Avas deposed by pope Pius II, for refusing to collect the annates (which the pope had arbitrarily raised from 10,000 to 21,000 florins). Adolph II, count of Nassau, was now made archbishop, and a war commenced be- t^vecn Diether, supported by Bavaria and the Palati- nate, and Adolph, upheld by Bavaria and WUrtemberg; a treaty was finally concluded, Oct. 25, 1463, Diether re- nouncing his claims. The city of Maj'ence, which was stormed by Adolph in 1462, lost all privileges. After the death of Adolph, Sept. 6, 1475, Diether was again appointed archbishop ; but now commenced a strife aljout the city of Mayence : the cathedral chapter claimed it for its own, while the citizens demanded their liberty, and rebelled against the chapter; they were finally defeated, and the city remained subject to the archbishop, who made it his residence ; he built the palace of Martinsburg, and founded the LTniversity of Mayence, which was opened in 1477 ; he also restored to the diocese the estates of Algesheim and Olm, and died May 7, 1482. Albert I, duke of Saxony, was son of the elector Ernst (1482-84). His successor, Berthold, count of Henneberg, accompanied emperor Maximilian as arch- chancellor to court; he took an active part in restoring peace throughout the countrj', and in the institution of the imperial chamber of justice; he also introduced great improvements in the ecclesiastical and conventual discipline, and laid the grievances of the Germans with regard to ecclesiastical affairs before the court of Kome. He died Dec. 21, 1504. Jacob of Liebensteiu (1504-8) added Kostheim and part of KUngenberg to the diocese. Uriel of Genimengcn (1508-14) ordered the examina- tion of the clergy, and strictly opposed concubinage among them. Albrecht of Brandenburg, archbishop of Magdeburg, was made archbishop of Idavence in 1514-, he loved grandeur, Avasted the funds of the diocese, and abused the sale of indulgences; he took part in the league against the Protestant princes; being at- tacked b}' the landgrave of Hesse, he purchased peace at the expense of 40,000 thalers. In 1529 he originated the Edict of Worms against the Protestants; yet he af- terwards sought to restore peace among the different re- ligious parties, and was one of the princijjal promoters of the peace of Nuremberg. He died Scjit. 24, 1545, highly respected both by the Roman Cathdlics and the Lutherans, and even by Luther, with whum he had some correspondence. Sebastian of Heusenstam (1545- 55) labored to improve the administration of tlic dio- cese, and also to restore the influence of Romanism ; he
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