Hunniades (John), heroic career of, ii. 105, 106;
his death, 106.

Huss (John), burned to death, ii. 102;
characteristics of his schism and his followers, iii. 389 and
_note_ m, 390.

Innocent III., persecution of the Albigeois by, i. 28;
his ambitious policy, 379;
his significant production of the will of Henry VI. of Germany, 381;
position of the Italian cities towards him, _ib._;
use made by him of his guardianship of Frederic II., 385;
increase of temporal authority under him, 416;
his accession to the papal chair, ii. 195;
extravagance of his pretensions, 196;
his scheme of universal arbitration, 197;
his decrees and interdicts, 199;
his interference with the German emperors, 200;
his claim, to nominate bishops, 212;
cause of his anger with the chapter of Poitiers, 213;
he levies taxes on the clergy, 216;
his pretext for exercising jurisdiction, 220;
he exempts the clergy from criminal process, 221;
his arrogance eclipsed by Boniface VIII., 228.

Innocent IV., outrageous proceedings of, against Frederic II., i. 391;
his conduct towards Frederic's successors, 392;
he quarters Italian priests on England, ii. 213;
height of papal tyranny during his pontificate, 217;
his disposal of the crown of Portugal, 231 _note_ g;
anecdote of him, 238 _note_ r.

Innocent VI. elected pope, ii. 242.

Interdicts, ii. 172, 260 _note_ g, and 261.
See Papal Power.

Ireland a mediaeval slave depot, iii. 316 and _note_ d.

Irene, dethronement of Constantine V. by, i. 122;
Leo III.'s project of marriage between her and Charlemagne, _ib._

Isabel of Bavaria (queen of Charles VI.), infamous conduct of, towards
her husband, i. 69;
her hatred of Armagnac, and its consequences, 72;
joins in the treaty with Henry V., 76.

Isabel of France, marries Edward II. of England, i. 45.

Isabella of Castile. See Ferdinand II.

Isidore, publication of the False Decretals of, ii. 166;
their character and object, 166, 167 and _notes_;
authority accorded to them by Gratian, 203.

Italy, occupied by the Ostrogoths, i. 1;
its subjection by the Lombards, 8;
conquests of Pepin and Charlemagne, 9;
its king Bernard, 14;
its state at the end of the ninth century, 355;
authorities referred to for its history, _ib. note_;
its monarchs Berenger I. and II., 357 a