The bridge over the Era where the Pisan plain meets the Valdera; the first bridge (traced to 1099) was built by the Upezzinghi.
Listed among Pisa's castles in 1163, though its fortifications are first attested in the early thirteenth century. Here in 1172 Pisa threw back the coalition of Archbishop Christian of Mainz with Lucca, Siena, Pistoia and the Guidi. Florence and Lucca will destroy it in 1256.
Who holds it
- Name
- The commune of Pisa
- Title
- Lord of the town
- Confidence
- low
Dated mentions 1163, 1172.
Lord in 1200
The commune of Pisa
How things stand that morning
Pisan.
Council
Not recorded in the sources we used.
Communities
Not recorded in the sources we used.
Fairs and markets
Not recorded in the sources we used.
Militia
Not recorded in the sources we used.
Where the sources disagree
Evidence: Dated mentions 1163, 1172.
Primary sources for Pisa
Chronicles, registers, sagas and inscriptions written in or near 1200 that cover this entry. Each has its own page with editions, translations and where to read it.
- Annals of Genoa, by Caffaro and his continuators, with Ogerio Pane for 1197 to 1219, Ogerio Pane and the other official annalists of Genoa (year by year under the commune's authority; the 1197 to 1219 section by Ogerio Pane). The official record of the commune. Read online
- Annals of Pisa, by Bernardo Maragone, with continuation, Bernardo Maragone (1160s to 1175, continued to 1192). Pisa's official annals stop in 1175 and their continuation in 1192, so there is no Pisan narrative for 1200 itself. Read online
- History of the doges of Venice (about 1229, with a continuation). The earliest surviving Venetian narrative close to the events. Read online
- The register of San Pietro di Silki (11th to 13th centuries). A monastic register of lands, serfs, gifts and lawsuits in the giudicato of Torres (Logudoro), written in the vernacular.
- The Registers of Pope Innocent III for 1199 to 1201, Innocent III and the papal chancery (22 February 1199 to 21 February 1201). The pope's outgoing letters for the year, in his chancery's own copy, touching nearly every realm in the atlas. Read online
- Greek Acts and Documents of the Middle Ages, Sacred and Secular (documents of the 9th to 15th centuries, edited by F. Miklosich and J. Muller, 6 vols (Vienna, 1860 to 1890)). Volume 3 (Acta et diplomata res Graecas Italasque illustrantia, 1865) prints the imperial chrysobulls to Venice, including Alexios III's of November 1198 with its list of the provinces and towns of the Empire where Venetians traded, the best single picture of the imperial provinces as they stood on 1 January 1200, together with the Pisan and Genoese privileges. Read online
- Documents on the older commercial and political history of the Republic of Venice, part 1, 814 to 1205 (documents of 814 to 1205, edited 1856). Venice's treaties and privileges in full text. Read online
Sources and studies
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.