[2] The Franks rose to power in the last half of the 8th century, and in 800 Pope Leo III crowned Charlemagne as Emperor.

[4] In 802 a faction that was friendly to the Franks came to power in Malamocco, and sent the Doges Giovanni and Maurizio II into exile, along with the bishop of Olivolo.

[5] In 810 a Byzantine fleet helped restore the party that favored Byzantium, and Angelo I Participazzo was made doge.

[7][a] In 828, the second year of the Doge Giustiniano Participazio, the Caliph had ordered that the Christian churches of Alexandria, Egypt, be pulled down so their marble columns could be used for his palace.

[10] When the ship reached Olivolo island in Venice, the saint made signs that showed he did not want to be placed in the custody of the bishop.

[11] The motives for the robbery of the saint's body were in part to establish the importance of the city of Venice, as opposed to the sees of Grado and Olivolo, relative to the patriarchate of Aquileia.

[12] He decreed that if his successor mismanaged the property of the diocese, after his death she should have the power to ordain the basilica of St. Laurence to whomever she chose.

[13] The new state fought off challenges from Croats, Saracens and Hungarians, and under Pietro II Candiano (932–939) began to expand on the mainland.

[3] Under Pietro IV Candiano (959–976) the Great Council of Venice appeared, a body that included the bishops of the Venetian territories and that approved all laws.

The Latin cities of the Istrian and Dalmatian coast, threatened by Slavs, placed themselves under the authority of Venice, and the Byzantine emperor consented to the Doge assuming the title of Duke of Dalmatia.

[16] In 1084 the Emperor Alexios I Komnenos in his Golden Bull recognized the full independence of Venice, along with freedom from tributes, trade restrictions and customs duties.

[19] In 1139, encouraged by Dandolo, the clergy of the ancient church of San Salvatore in central Venice decided to become canons regular under the rule of St. Augustine.

[20] On 13 May 1141 Pope Innocent II lifted the interdict, placed San Salvatore under his personal protection and sent to canons to instruct the congregation in the rule.

[22] From the twelfth century the patriarch had a throne in Saint Mark's, which changed its role from the Doge's chapel to the state church.

[23] In 1225 the Bishop Marco II Michel gained the exemption of the clergy from lay jurisdiction except when real property was involved.

[25] On 8 October 1451 the diocese was suppressed and its territory transferred to the newly created Patriarchal See of Venezia, or Roman Catholic Archdiocese of Venice.