The Republic of Pisa ( it, Repubblica di Pisa) was an independent state centered on the Tuscan city of

Pisa Pisa ( , or ) is a city and ''comune'' in Tuscany, central Italy, straddling the Arno just before it empties into the Ligurian Sea. It is the capital city of the Province of Pisa. Although Pisa is known worldwide for its leaning tower, the ci ...

, which existed from the 11th to the 15th century. It rose to become an economic powerhouse, a commercial center whose

merchant A merchant is a person who trades in commodities produced by other people, especially one who trades with foreign countries. Historically, a merchant is anyone who is involved in business or trade. Merchants have operated for as long as indust ...

s dominated

Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on ...

and Italian trade for a century, before being surpassed and superseded by the

Republic of Genoa The Republic of Genoa ( lij, Repúbrica de Zêna ; it, Repubblica di Genova; la, Res Publica Ianuensis) was a medieval and early modern maritime republic from the 11th century to 1797 in Liguria on the northwestern Italian coast. During the La ...

. The republic's participation in the

Crusades The Crusades were a series of religious wars initiated, supported, and sometimes directed by the Latin Church in the medieval period. The best known of these Crusades are those to the Holy Land in the period between 1095 and 1291 that were ...

secured valuable commercial positions for Pisan traders, thereafter the city grew in wealth and power. Pisa was a historical rival to

Genoa Genoa ( ; it, Genova ; lij, Zêna ). is the capital of the Italian region of Liguria and the sixth-largest city in Italy. In 2015, 594,733 people lived within the city's administrative limits. As of the 2011 Italian census, the Province of ...

at sea and to

Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico ...

and

Lucca Lucca ( , ) is a city and ''comune'' in Tuscany, Central Italy, on the Serchio River, in a fertile plain near the Ligurian Sea. The city has a population of about 89,000, while its province has a population of 383,957. Lucca is known as one ...

on land. The power of Pisa as a mighty maritime nation began to grow and reached its apex in the 11th century when it acquired traditional fame as one of the main historical Maritime Republics of Italy.

Rise to power

During the

High Middle Ages The High Middle Ages, or High Medieval Period, was the periodization, period of European history that lasted from AD 1000 to 1300. The High Middle Ages were preceded by the Early Middle Ages and were followed by the Late Middle Ages, which ended ...

the city grew into a very important commercial and naval center and controlled a significant Mediterranean merchant fleet and navy. It expanded its influence through the sack of Reggio di Calabria in the south of Italy in 1005. Pisa was in continuous conflict with the

Saracens upright 1.5, Late 15th-century German woodcut depicting Saracens Saracen ( ) was a term used in the early centuries, both in Greek and Latin writings, to refer to the people who lived in and near what was designated by the Romans as Arabia ...

for control of the Mediterranean. In alliance with Genoa, Sardinia was captured in 1016 with the defeat of the Saracen leader Mujāhid al-‘Āmirī ( la, Mogehidus). This victory gave Pisa supremacy in the

Tyrrhenian Sea The Tyrrhenian Sea (; it, Mar Tirreno , french: Mer Tyrrhénienne , sc, Mare Tirrenu, co, Mari Tirrenu, scn, Mari Tirrenu, nap, Mare Tirreno) is part of the Mediterranean Sea off the western coast of Italy. It is named for the Tyrrhenian pe ...

. When the Pisans subsequently ousted the Genoese from Sardinia, a new conflict and rivalry was born between the two maritime republics. Between 1030 and 1035 Pisa went on to successfully defeat several rival towns in the

Emirate of Sicily The Emirate of Sicily ( ar, إِمَارَة صِقِلِّيَة, ʾImārat Ṣiqilliya) was an Islamic kingdom that ruled the island of Sicily from 831 to 1091. Its capital was Palermo (Arabic: ''Balarm''), which during this period became ...

and conquer

Carthage Carthage was the capital city of Ancient Carthage, on the eastern side of the Lake of Tunis in what is now Tunisia. Carthage was one of the most important trading hubs of the Ancient Mediterranean and one of the most affluent cities of the classi ...

in North Africa. In 1051–1052, Admiral Jacopo Ciurini conquered

Corsica Corsica ( , Upper , Southern ; it, Corsica; ; french: Corse ; lij, Còrsega; sc, Còssiga) is an island in the Mediterranean Sea and one of the 18 regions of France. It is the fourth-largest island in the Mediterranean and lies southeast of ...

, provoking more resentment from the Genoese. In 1063, the Pisans approached the Norman Roger I of Sicily, who was conducting a campaign to conquer Sicily that would last over three decades, with the prospect of a joint attack against

Palermo Palermo ( , ; scn, Palermu , locally also or ) is a city in southern Italy, the capital of both the autonomous region of Sicily and the Metropolitan City of Palermo, the city's surrounding metropolitan province. The city is noted for its ...

. Roger declined due to other commitments. With no land support, the Pisan attack against Palermo failed. In 1060, Pisa engaged in its first battle against Genoa and the Pisan victory helped to consolidate its position in the Mediterranean.

Pope Gregory VII Pope Gregory VII ( la, Gregorius VII; 1015 – 25 May 1085), born Hildebrand of Sovana ( it, Ildebrando di Soana), was head of the Catholic Church and ruler of the Papal States from 22 April 1073 to his death in 1085. He is venerated as a saint ...

recognized in 1077 the new "laws and customs of the sea" instituted by the Pisans, and Holy Roman Emperor Henry IV granted them the right to name their own consuls, advised by a Council of Elders. This was simply a confirmation of the present situation, because at the time the

marquis of Tuscany The rulers of Tuscany varied over time, sometimes being margraves, the rulers of handfuls of border counties and sometimes the heads of the most important family of the region. Margraves of Tuscany, 812–1197 House of Boniface :These were origin ...

(the nominal feudal sovereign of Pisa) had already been excluded from power. Pisa sacked the Zirid city of Mahdia in 1088. Four years later, Pisan and Genoese ships helped

Alfonso VI of Castile Alphons (Latinized ''Alphonsus'', ''Adelphonsus'', or ''Adefonsus'') is a male given name recorded from the 8th century (Alfonso I of Asturias, r. 739–757) in the Christian successor states of the Visigothic kingdom in the Iberian peninsula. ...

force

El Cid Rodrigo Díaz de Vivar (c. 1043 – 10 July 1099) was a Castilian knight and warlord in medieval Spain. Fighting with both Christian and Muslim armies during his lifetime, he earned the Arabic honorific ''al-sīd'', which would evolve into El C ...

out of

Valencia Valencia ( va, València) is the capital of the autonomous community of Valencia and the third-most populated municipality in Spain, with 791,413 inhabitants. It is also the capital of the province of the same name. The wider urban area al ...

. In 1092,

Pope Urban II Pope Urban II ( la, Urbanus II; – 29 July 1099), otherwise known as Odo of Châtillon or Otho de Lagery, was the head of the Catholic Church and ruler of the Papal States from 12 March 1088 to his death. He is best known for convening th ...

awarded Pisa supremacy over Corsica and Sardinia and at the same time elevated the

Diocese of Pisa The Archdiocese of Pisa ( la, Archidioecesis Pisana) is a metropolitan see of the Catholic Church in Pisa, Italy.717,_Pisan.html" ;"title="708, Pisan); on 30–31 July 1716 708,_Pisan);_on_30–31_July_1716_[1717,_Pisan_and_on_31__...

_to_the_rank_of_metropolitan_archdiocese.html" ;"title="717, Pisan">708, Pisan); on 30–31 July 1716 [1717, Pisan and on 31 ...

Rise to power

Territories and administration

Decline

See also

Notes

References

External links