# Tiber

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{{short description|Major river in central Italy}}
{{about|the Italian river}}
{{Infobox river
| name              = Tiber
| native_name       ={{native name|it|Tevere}}
| image             = PonteSantAngeloRom.jpg
| map               = Tibre.png
| image_caption     = The Tiber in [Rome](/source/Rome) near the [Ponte Sant'Angelo](/source/Ponte_Sant'Angelo)
| mapframe          = yes
| mapframe-zoom     = 6
| source1_location  = [Mount Fumaiolo](/source/Mount_Fumaiolo)
| mouth_location    = [Tyrrhenian Sea](/source/Tyrrhenian_Sea)
| subdivision_type1 = Country
| subdivision_name1 = [Italy](/source/Italy)
| length            = {{convert|406|km|mi|0|abbr=on}}
| source1_elevation = {{convert|1268|m|ft|-1|abbr=on}}
| mouth_elevation   =
| discharge1_avg    = {{convert|239|m3/s|ft3/s|-2|abbr=on}}{{citation needed|date=July 2018}} (in Rome)
| basin_size        = {{convert|17375|km2|mi2|0|abbr=on}}
| extra             = 
}}

[[File:0 Tibre - Pont Vittorio Emanuele II - San Spirito in Sassia - St-Pierre (Vatican).jpg|thumb|right|View of the Tiber looking towards [Vatican City](/source/Vatican_City)]]
[[File:Rome flood marker.jpg|thumb|Rome [flood marker](/source/Historical_marker), 1598, set into a pillar of the [Santo Spirito Hospital](/source/Ospedale_di_Santo_Spirito_in_Sassia) near [Basilica di San Pietro](/source/Basilica_di_San_Pietro).]]
[[File:tiber in flood.jpg|thumb|right|Highest level of Tiber for 40+ years, 13 December 2008, at [Tiber Island](/source/Tiber_Island).]]

The '''Tiber''' ({{IPAc-en|ˈ|t|aɪ|b|ər}} {{respell|TY|bər}}; {{langx|it|Tevere}} {{IPA|it|ˈteːvere|}};<ref>{{DOP|id=1089885|lemma=Tevere}}</ref> {{langx|la|Tiberis}}<ref>{{cite book |title=Barrington Atlas of the Greek and Roman World: Map-By-Map Directory |editor=Richard J. A. Talbert |volume=I |year=2000 |publisher=Princeton University Press |location=Princeton, NJ and Oxford, UK |isbn=0691049459 |page=630 }}</ref>) is the [third-longest river](/source/List_of_rivers_of_Italy) in [Italy](/source/Italy) and the longest in [Central Italy](/source/Central_Italy), rising in the [Apennine Mountains](/source/Apennine_Mountains) in [Emilia-Romagna](/source/Emilia-Romagna) and flowing {{convert|406|km|mi|0|abbr=on}} through [Tuscany](/source/Tuscany), [Umbria](/source/Umbria), and [Lazio](/source/Lazio), where it is joined by the River [Aniene](/source/Aniene), to the [Tyrrhenian Sea](/source/Tyrrhenian_Sea), between [Ostia](/source/Ostia_(Rome)) and [Fiumicino](/source/Fiumicino).<ref>[http://www.lifeinitaly.com/tourism/lazio/default.asp Lazio – Latium | Italy] {{webarchive|url=https://web.archive.org/web/20090828051204/http://www.lifeinitaly.com/tourism/lazio/default.asp |date=28 August 2009 }}</ref> It [drains a basin](/source/Drainage_basin) estimated at {{convert|17375|km2|0|abbr=on}}. The river has achieved lasting fame as the main watercourse of the city of [Rome](/source/Rome), which was founded on its eastern banks.

The river rises at [Mount Fumaiolo](/source/Mount_Fumaiolo) in Central Italy and flows in a generally southerly direction past [Perugia](/source/Perugia) and Rome to meet the sea at [Ostia](/source/Ostia_(town)). The Tiber has advanced significantly at its mouth, by about {{convert|3|km|0|abbr=on}}, since Roman times, leaving the ancient port of [Ostia Antica](/source/Ostia_Antica_(archaeological_site)) {{convert|6|km|0|abbr=off}} inland.<ref name="eb">"Tiber River". ''Encyclopædia Britannica''. 2006</ref><ref>"Tiber". ''World Encyclopedia''. Philip's, 2005.</ref> However, it does not form a proportional [delta](/source/river_delta), owing to a strong north-flowing sea current close to the shore, due to the steep shelving of the coast, and to slow [tectonic subsidence](/source/tectonic_subsidence).

==Sources==
thumb|Column built in 1930s near the source of Tiber

The [source](/source/Source_(river_or_stream)) of the Tiber consists of two [springs](/source/Spring_(hydrosphere)) {{convert|10|m|abbr=on}} away from each other on [Mount Fumaiolo](/source/Mount_Fumaiolo). These springs are called ''Le Vene''.<ref>{{cite web |url=http://www.turismo.fc.it/_vti_g2_608.aspx?rpstry=30_ |title=Tiber Springs – Mount Fumaiolo |archive-url=https://web.archive.org/web/20130927020843/http://www.turismo.fc.it/_vti_g2_608.aspx?rpstry=30_ |archive-date=27 September 2013 |access-date=23 February 2019 |work=turismo.fc.it}}</ref> The springs are in a [beech](/source/beech) forest {{convert|1268|m|abbr=on}} above [sea level](/source/sea_level). During the 1930s, [Benito Mussolini](/source/Benito_Mussolini) had an antique [marble](/source/marble) Roman column built at the point where the river rises, inscribed <small>QUI NASCE IL FIUME SACRO AI DESTINI DI ROMA</small> ("Here is born the river / sacred to the destinies of Rome"). An [eagle](/source/eagle) is on the top of the column, part of its [fascist symbolism](/source/fascist_symbolism). The first kilometres of the Tiber run through [Valtiberina](/source/Valtiberina) before entering Umbria.<ref>{{cite web |url=http://www.tuscanyfarmholiday.net/tuscany-tours/tevere-monte-fumaiolo.php |title=Tuscany tours – the origin of the Tiber River |work=Farm Holidays Le Ceregne |access-date=23 February 2019 |archive-url=https://web.archive.org/web/20100511054240/http://www.tuscanyfarmholiday.net/tuscany-tours/tevere-monte-fumaiolo.php |archive-date=11 May 2010}}</ref>

==Etymology==
The genesis of the name ''Tiber'' probably was pre-Latin, like the Roman name of Tibur (modern [Tivoli](/source/Tivoli%2C_Italy)), and may be [Italic](/source/Italic_languages) in origin. The same root is found in the Latin ''[praenomen](/source/praenomen)'' ''[Tiberius](/source/Tiberius_(praenomen))''. Also, [Etruscan](/source/Etruscan_language) variants of this praenomen are in ''Thefarie'' (borrowed from [Faliscan](/source/Faliscan_language) ''*Tiferios'', lit. '(He) from the Tiber' < ''*Tiferis'' 'Tiber') and ''Teperie'' (via the Latin hydronym ''Tiber'').<ref name="everett">"Tiber". ''Concise Dictionary of World Place-Names''. [John Everett-Heath](/source/John_Everett-Heath). [Oxford University Press](/source/Oxford_University_Press) 2005.</ref><ref>George Davis Chase, "The Origin of Roman Praenomina", in ''Harvard Studies in Classical Philology'', vol. VIII (1897)</ref>

Legendary king [Tiberinus](/source/Tiberinus_Silvius), ninth in the king-list of [Alba Longa](/source/Alba_Longa), was said to have drowned in the River Albula, which was afterwards called ''Tiberis''.<ref name="everett"/> The myth may have explained a memory of an earlier, perhaps [pre-Indo-European](/source/Proto-Indo-European_language) name for the river, "white" (''alba'') with sediment, or "from the mountains" from [pre-Indo-European](/source/Pre-Indo-European_languages) word "alba, albion" mount, elevated area.<ref>Cf. e.g. G. Alessio "Studi storico-linguisitci messapici" in ''Archivio Storico Pugliese'' p. 304; "Sul nome di Brindisi" in ''Archivio Storico Puglese'' VIII 1955 p. 211 f.; "Apulia et Calabria nel quadro della toponomastica mediterranea" in ''Atti del VII Congresso Internazionale di Studi Onomastici'' Firenze 1962 p. 85.</ref> ''Tiberis/Tifernus'' may be a pre-Indo-European substrate word related to [Aegean](/source/Tyrsenian_languages) ''tifos'' "still water", Greek [phytonym](/source/phytonym) ''τύφη'' a kind of swamp and river bank weed (''[Typha angustifolia](/source/Typha_angustifolia)''), [Iberian](/source/Iberian_language) [hydronym](/source/hydronym)s ''Tibilis'', ''Tebro'' and [Numidian](/source/Numidian_language) ''Aquae Tibilitanae''.<ref>G. Simonetta "La stratificazione linguistica dell' Agro Falisco" p. 6 citing G. Alessio.</ref> Yet another etymology is from *dubri-, water, considered by Alessio as [Sicel](/source/Sicel), whence the form Θύβρις later Tiberis. This root *dubri- is widespread in Western Europe e.g. Dover, Portus Dubris.<ref>G. Alessio "Problemi storico-linguistici messapici" in ''Studi Salentini'' '''12''' 1962 p. 304.</ref>

==History==
According to legend, the city of Rome was founded in 753 BC on the banks of the Tiber about {{convert|25|km|abbr=on}} from the sea at [Ostia](/source/Ostia_Antica). [Tiber Island](/source/Tiber_Island), in the center of the river between [Trastevere](/source/Trastevere) and the ancient city center, was the site of an important ancient [ford](/source/Ford_(crossing)) and was later bridged. Legend says Rome's founders, the twin brothers [Romulus and Remus](/source/Romulus_and_Remus), were abandoned on its waters, where they were rescued by the she-wolf, Lupa.<ref>{{cite news |url=https://www.telegraph.co.uk/news/uknews/1570109/The-legend-of-Romulus-and-Remus.html |archive-url=https://ghostarchive.org/archive/20220112/https://www.telegraph.co.uk/news/uknews/1570109/The-legend-of-Romulus-and-Remus.html |archive-date=12 January 2022 |url-access=subscription |url-status=live |title=The legend of Romulus and Remus |first=Malcolm |last=Moore |date=21 November 2007 |access-date=23 February 2019 |newspaper=[Telegraph](/source/Telegraph_(newspaper)) |publisher=[Telegraph Media Group Limited](/source/Telegraph_Media_Group_Limited)}}{{cbignore}}</ref>

The river marked the boundary between the lands of the [Etruscans](/source/Etruscans) to the west, the [Sabines](/source/Sabines) to the east and the [Latins](/source/Latins_(Italic_tribe)) to the south. [Benito Mussolini](/source/Benito_Mussolini), born in [Romagna](/source/Romagna), adjusted the boundary between [Tuscany](/source/Tuscany) and [Emilia-Romagna](/source/Emilia-Romagna), so that the springs of the Tiber would lie in Romagna.

The Tiber was critically important to Roman trade and commerce, as ships could reach as far as {{cvt|100|km|mi|-1}} upriver; some evidence indicates that it was used to ship grain from the Val Teverina as long ago as the fifth century BC.<ref name="eb"/> It was later used to ship stone, timber, and foodstuffs to Rome.

During the [Punic Wars](/source/Punic_Wars) of the third century BC, the harbour at Ostia became a key naval base. It later became Rome's most important port, where [wheat](/source/wheat), [olive oil](/source/olive_oil), and [wine](/source/wine) were imported from Rome's colonies around the Mediterranean.<ref name="eb"/> Wharves were also built along the riverside in Rome itself, lining the riverbanks around the [Campus Martius](/source/Campus_Martius) area. The Romans connected the river with a sewer system (the ''[Cloaca Maxima](/source/Cloaca_Maxima)'') and with an underground network of tunnels and other channels, to bring its water into the middle of the city.

Wealthy Romans had garden-parks or ''horti'' on the banks of the river in Rome through the first century BC.<ref>{{cite web| url = https://penelope.uchicago.edu/Thayer/E/Gazetteer/Places/Europe/Italy/Lazio/Roma/Rome/_Texts/PLATOP*/horti.html| title = Horti:LacusCurtius • Gardens of Ancient Rome (Platner & Ashby, 1929)}}</ref> These may have been sold and developed about a century later.

The heavy sedimentation of the river made maintaining Ostia difficult, prompting the emperors [Claudius](/source/Claudius) and [Trajan](/source/Trajan) to establish a new port on the Fiumicino in the first century AD. They built a new road, the ''[Via Portuensis](/source/Via_Portuensis)'', to connect Rome with Fiumicino, leaving the city by [Porta Portese](/source/Porta_Portuensis) (the port gate). Both ports were eventually abandoned due to silting.

Several [pope](/source/pope)s attempted to improve navigation on the Tiber in the 17th and 18th centuries, with extensive dredging continuing into the 19th century. Trade was boosted for a while, but by the 20th century, silting had resulted in the river only being navigable as far as Rome.<ref name="eb"/>

The Tiber was once known for its floods — the Campus Martius is a [flood plain](/source/flood_plain) and would regularly flood to a depth of {{cvt|2|m}}. There were also numerous major floods; for example, on 15 September 1557 the river flooded to a height of {{cvt|62|ft|order=flip}} above sea level, over 1,000 people died.<ref>{{Cite book |last=Long |first=Pamela O. |title=Engineering the Eternal City : infrastructure, topography, and the culture of knowledge in late sixteenth-century Rome |publisher=The University of Chicago Press |year=2018 |isbn=978-0-226-54379-6 |location=Chicago |pages=19–20 |oclc=1028881404}}</ref> The river is now confined between high stone embankments, which were begun in 1876. Within the city, the riverbanks are lined by boulevards known as ''[lungoteveri](/source/lungoteveri)'', streets "along the Tiber".

Because the river is identified with Rome, the terms "swimming the Tiber" or "crossing the Tiber" have come to be the shorthand term for converting to [Roman Catholic](/source/Roman_Catholic)ism.<ref>{{Cite journal |last=Madigam |first=Kevin |year=2010 |title=Pope Benedict, Disaffected Anglicans, and Holocaust-Denying Bishops |url=https://bulletin-archive.hds.harvard.edu/articles/winterspring2010/pope-benedict-disaffected-anglicans-and-holocaust-denying-bishops |journal=Harvard Divinity Bulletin |volume=38 |issue=1 & 2 |access-date=16 June 2022 |archive-date=28 October 2020 |archive-url=https://web.archive.org/web/20201028201717/https://bulletin-archive.hds.harvard.edu/articles/winterspring2010/pope-benedict-disaffected-anglicans-and-holocaust-denying-bishops |url-status=dead }}</ref> A Catholic who converts to Protestantism, in particular Anglicanism, is referred to as "swimming the [Thames](/source/River_Thames)" or "crossing the Thames".<ref>{{cite book |last1=Olderr |first1=Steven |title=Symbolism : a comprehensive dictionary |date=2012 |publisher=McFarland & Co |location=Jefferson, N.C. |isbn=978-0-7864-6955-0 |page=202 |edition=2nd}}</ref>

In ancient Rome, [executed](/source/Capital_punishment) criminals were thrown into the Tiber. People executed at the [Gemonian stairs](/source/Gemonian_stairs) were thrown in the Tiber during the later part of the reign of the emperor [Tiberius](/source/Tiberius). This practice continued over the centuries. For example, the corpse of [Pope Formosus](/source/Pope_Formosus) was thrown into the Tiber after the infamous [Cadaver Synod](/source/Cadaver_Synod) held in 897.

==Bridges==

In addition to the numerous modern [bridge](/source/bridge)s over the Tiber in Rome, there remain a few [ancient](/source/Ancient_Rome) bridges (now mostly pedestrian-only) that have survived in part (e.g., the [Ponte Milvio](/source/Ponte_Milvio) and the [Ponte Sant'Angelo](/source/Ponte_Sant'Angelo)), or in whole ([Pons Fabricius](/source/Pons_Fabricius)).

In addition to bridges, the Metro trains use tunnels.
[[File:Roman sculpture.jpg|right|thumb|Roman representation of Tiber as a [god](/source/god) ([Tiberinus](/source/Tiberinus_(god))) with [cornucopia](/source/cornucopia) at the [Campidoglio](/source/Campidoglio), Rome]]

==Representations==

Following the standard Roman depiction of rivers as powerfully built reclining male gods, the Tiber, also interpreted as a god named [Tiberinus](/source/Tiberinus_(god)), is shown with streams of water flowing from his hair and beard.<ref>Tiber. ''Bloomsbury Dictionary of Myth'' (1996)</ref>

==See also==
* [Hollywood on the Tiber](/source/Hollywood_on_the_Tiber)
* [Naumachia of Augustus](/source/Naumachia_of_Augustus)

==References==
{{reflist|33em}}
==Further reading==
*{{cite book |last1=Schönau |first1=Birgit |title=Die Geheimnisse des Tibers: Rom und sein ewiger Fluss |date=2023 |publisher=C.H. Beck |location=München |isbn=9783406808371}}

==External links==
{{Commons category|position=left}}
{{clr}}
[[File:Comune di Fiumicino and the Tiber River, near Rome.jpg|thumb|center|900px|{{center|The [river mouth](/source/river_mouth) of the Tiber and city of [Fiumicino](/source/Fiumicino) on the [Tyrrhenian Sea](/source/Tyrrhenian_Sea)}}]]
{{Clear}}
{{Emilia-Romagna}}
{{Lazio}}
{{Tuscany}}
{{Umbria}}
{{Authority control}}

{{coord|41.7405|N|12.2334|E|source:wikidata|display=title}}

Category:Tiber
Category:Rivers of Italy
Category:Rivers of the Apennines
Category:Drainage basins of the Tyrrhenian Sea
Category:Waterways of Italy
Category:Rivers of Emilia-Romagna
Category:Rivers of Lazio
Category:Rivers of Tuscany
Category:Rivers of Umbria
Category:Geography of Rome
Category:Metropolitan City of Rome Capital
Category:Topography of the ancient city of Rome
Category:Rivers of the Province of Perugia
Category:Rivers of the Province of Rieti
Category:Rivers of the Province of Terni
Category:Rivers of the Province of Viterbo
Category:Rivers of the Province of Arezzo
Category:Rivers of the Province of Forlì-Cesena
Category:Rivers of the Metropolitan City of Rome Capital
Category:Geography of Perugia

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Adapted from the Wikipedia article [Tiber](https://en.wikipedia.org/wiki/Tiber) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Tiber?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
