A fact from 1294 papal conclave appeared on Wikipedia's Main Page in the Did you know column on 28 July 2008 (check views). The text of the entry was as follows:
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In note 1, there is a reference to the Conclave of 1417, which is irrelevant to the topic of the Conclave of 1294. It is also an inaccurate depiction of events. Gregory XII was abandoned by all of his cardinals. He was deposed by the Council of Konstanz. He was also persuaded to 'resign'. The election was carried out by a specially composed group of church officials, the cardinals who were present plus five elected persons from each of the three "Nations" who were participating in the Council. It was a unique event, the only time a pope was elected according to rules established by a Council and with as many non-cardinals participating in the voting as cardinals. Perhaps the entire reference note should be deleted. Vicedomino (talk) 18:11, 25 February 2016 (UTC)[reply]
Cardinal Hugh had just been named Bishop of Ostia in September, 1294. He was not the senior cardinal bishop. He ordained and consecrated Benedetto Caetani because he was Bishop of Ostia, the only suburbicarian Cardinal Bishop who had the right to the pallium. The Bishop of Ostia regularly deputized for the pope in liturgical functions, especially the consecration of bishops. If he didn't happen to be present, then the Bishop of Porto or the Bishop of Albano substituted. But the Bishop of Ostia was not automatically and ipso facto the Dean of the Sacred College. There was no such title in the 13th century. But the joining of Ostia and the Deanship only goes back to Paul IV, in a Bull of 22 August, 1555. See: Bullarum, Diplomatum et Privilegiorum Sanctorum Romanorum Pontificum Taurinensis editio Vol. 6 (Turin 1860), no. VI, pp. 502-504.
Cf. the first Conclave of 1378 in April, which was presided over by Pietro Corsini, Florentine, Suburbicarian Bishop of Porto and Santa Rufina. In his own words, he was Prior collegii Episcoporum [Baluzius Vitae Paparum Avinionensium I, 1040-1041]. A new Bishop of Ostia, Bertrand Lagier de Figeac, O.Min. had been appointed by Pope Gregory XI just before his death, but he had no precedence and claimed none, even at the Conclave of September.