Commune of Rome

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Commune of Rome Comune di Roma
1143–1193
Banner of Rome[1]
Capital	Rome
Common languages	Italian
Government	Republic City-state
Historical era	Medieval
• Established	1143
• Disestablished	1193
Preceded by Succeeded by Papal States Papal States

The Commune of Rome (Italian: Comune di Roma) was established in the summer of 1143^[2] after a rebellion led by the people of Rome. A people's revolt was led due to the increasing powers of the Pope and the entrenched powers of the higher nobility. The goal of the rebellion was to organize the civil government of Rome in a fashion similar to that of the previous Roman Republic, including the reestablishment of the Senate. Giordano Pierleoni was elected "first Patrician of the Roman Commune" by the Senate in 1144 and served as the commune's leader, though he was deposed in 1145.^[3] Arnold of Brescia later became associated with the commune as early as 1145 and gave it much-needed intellectual leadership.

In a pattern that was to become familiar in the communal struggles of Guelfs and Ghibellines, the commune declared allegiance to the more distant power, the Holy Roman Emperor, and initiated negotiations with newly elected Pope Lucius II. The commune wanted him to renounce temporal power and take up an office with the duties of a priest. Lucius gathered a force and assaulted Rome, but the republican defenders repulsed his army and Lucius died from injuries received from a stone that hit his head.^[4]

Due to the resistance, Lucius's successor, Pope Eugene III, could not be consecrated in the city. However, he eventually came to an agreement with the civil authority that had deposed Pierleoni, and returned to Rome on Christmas Day 1145. In March 1146 he again had to leave. He returned in 1148 and excommunicated Arnold of Brescia, a political theorist who had joined the commune and was its intellectual leader.

In 1149 the Senate invited Conrad III to Rome to be crowned Roman Emperor and restore the Roman Empire, in the tradition of Constantine and Justinian, and against the Pope's agenda. Similarly in 1152 a letter written by an unknown Wezel from Rome to the Frederick Barbarossa insisted that only the Senate had authority to crown the Emperor.^[5]

The Pope lived in Tusculum beginning in 1149 and was not installed as pope in Rome until 1152. The existence of the Republic was precarious. Eugene's successor, Adrian IV, convinced Emperor Frederick Barbarossa to lead an army against the city. Arnold was arrested, tried, convicted, and hanged in 1155. His body was burnt and the ashes cast into the Tiber.

In 1188, shortly after his accession, Pope Clement III succeeded in allaying the half-century-old conflict between the popes and the citizens of Rome with the Concord Pact. The Pact allowed citizens to elect magistrates with the power of war and peace. The Prefect was named by the Emperor and the Pope had sovereign rights over his territories.

From 1191 to 1193, after a reduction in the number of senators to one, the city was ruled by a single summus senator named "Benedetto 'Carissimus' or 'Carus homo' or 'Carosomo,' of unknown, but undoubtedly plebeian, origin."^[6]

After this, the city was again under papal control, although the civil government was never again directly in the hands of the higher nobles or the papacy.

• 1145 – Battle against Tivoli, Italy.
• 1167 – Battle of Monte Porzio against Holy Roman Emperor, Tusculum and Albano Laziale.
• 1170 – Destruction of Albano Laziale.
• 1191 – Destruction of Tusculum.

• History of Rome#Roman Commune
• 14 regions of Medieval Rome

• Gregorovius, Ferdinand. History of the City of Rome in the Middle Ages, Vol IV, Part 2.
• John of Salisbury. The Historia Pontificalis