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Pisa supposedly was founded on the shore, but due to the alluvial sediments from the Arno and the Serchio, whose mouth lies about 11 km (7 mi) north of the Arno's, the shore moved west. Strabo states that the city was 4.0 km (2.5 mi) away from the coast. Currently, it is located 9.7 km (6 mi) from the coast.
Pisa was said to have been founded by an eponymous hero, Pisus, the son of Perieres, and grandson of Aeolus; [5] but others derived its name from a fountain Pisa. [6] Modern writers connect its name with Πῖσος, a low marshy ground, or with Πίσσα, the name of the black fir or pinetree.
990 - San Michele in Borgo monastery founded. [4] 1003 - Lucca-Pisa conflict occurs. [1] 1004 - Pisa sacked by Saracens. [1] 1063 - Pisa Cathedral construction begins. [2] 1011 - Pisa unsuccessfully attacked by Saracens again. [1] 1092 Pisa Cathedral construction completed. [1] Roman Catholic Archdiocese of Pisa established. [3]
The Leaning Tower of Pisa (Italian: torre pendente di Pisa [ˈtorre penˈdɛnte di ˈpiːza,-ˈpiːsa] [1]), or simply the Tower of Pisa (torre di Pisa), is the campanile, or freestanding bell tower, of Pisa Cathedral. It is known for its nearly four-degree lean, the result of an unstable foundation.
The Republic of Pisa (Italian: Repubblica di Pisa) was an independent state existing from the 11th to the 15th century centered on the Tuscan city of Pisa.It rose to become an economic powerhouse, a commercial center whose merchants dominated Mediterranean and Italian trade for a century, before being surpassed and superseded by the Republic of Genoa.
Piazza dei Miracoli. The Piazza dei Miracoli (Italian: [ˈpjattsa dei miˈraːkoli]; 'Square of Miracles'), formally known as Piazza del Duomo ('Cathedral Square'), is a walled 8.87-hectare (21.9-acre) compound in central Pisa, Tuscany, Italy, recognized as an important center of European medieval art and one of the finest architectural complexes in the world. [1]
The University of Pisa (Italian: Università di Pisa, UniPi) is a public research university in Pisa, Italy. Founded in 1343, it is one of the oldest universities in Europe. [2] Together with Scuola Normale Superiore di Pisa and Sant'Anna School of Advanced Studies, it is part of the Pisa University System. [3]
Comparison of the antiquated view and the outcome of the experiment (size of the spheres represent their masses, not their volumes) Between 1589 and 1592, [1] the Italian scientist Galileo Galilei (then professor of mathematics at the University of Pisa) is said to have dropped "unequal weights of the same material" from the Leaning Tower of Pisa to demonstrate that their time of descent was ...