Orleans (Louis, duke of), alleged amours of, with queen Isabel, i. 69 note c;
loses his popularity, 70;
his assassination and its probable causes, ib. and notes;
commotions which ensued, 71, 72.
Orleans (Louis, duke of, afterwards Louis XII.) claims the regency during the minority of Charles VIII., i. 98;
instigates the convocation of the States-General, 236.
Ostrogoths, occupation of Italy by the, i. 1;
annihilation of their dominion, 8;
Roman jurisprudence adopted by them, 151.
Othman. See [Ottomans].
Otho I. (the Great), benefits conferred upon Germany by, ii. 67.
Otho II. and III. chosen emperors of Germany, ii. 67.
Otho IV. aided by the Milanese, i. 382;
enmity of the pope towards him, 384;
its consequences, ii. 75;
obtains a dispensation from Innocent III., 209;
rights surrendered by him to Innocent, 211, 212 and note f.
Ottoman dynasty, founded by Othman, ii. 132;
their European conquests, ib.;
their reverses and revival under Amurath, 134, 135;
they capture Constantinople, 136;
European alarm excited thereby, ib.;
institution of the Janizaries, 137;
suspension of Ottoman conquests, 138.
Oxford university. See [Learning].
Pagan superstitions, cause of the limited influence of, i. 136.