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In ancient Roman warfare, the ''testudo'' or tortoise formation was a type of
shield wall A shield wall ( or in Old English, in Old Norse) is a military formation that was common in ancient and medieval warfare. There were many slight variations of this formation, but the common factor was soldiers standing shoulder to should ...
formation commonly used by the
Roman legion The Roman legion ( la, legiō, ) was the largest military unit of the Roman army, composed of 5,200 infantry and 300 equites (cavalry) in the period of the Roman Republic (509 BC–27 BC) and of 5,600 infantry and 200 auxilia in the period o ...
s during battles, particularly sieges.


Formation

In the ''testudo'' formation, the men would align their shields to form a packed formation covered with shields on the front and top. The first row of men, possibly excluding the men on the flanks, would hold their shields from about the height of their shins to their eyes, so as to cover the formation's front. The shields would be held in such a way that they presented a shield wall to all sides. The men in the back ranks would place their shields over their heads to protect the formation from above, balancing the shields on their helmets, overlapping them. If necessary, the legionaries on the sides and rear of the formation could stand sideways or backwards with shields held as the front rows, so as to protect the formation's sides and rear; this reduced the speed and mobility of the formation, but offered consistent defensive strength against opposing infantry and excellent protection against arrows and other missile attacks.
Plutarch Plutarch (; grc-gre, Πλούταρχος, ''Ploútarchos''; ; – after AD 119) was a Greek Middle Platonist philosopher, historian, biographer, essayist, and priest at the Temple of Apollo in Delphi. He is known primarily for hi ...
describes this formation as used by
Mark Antony Marcus Antonius (14 January 1 August 30 BC), commonly known in English as Mark Antony, was a Roman politician and general who played a critical role in the transformation of the Roman Republic from a constitutional republic into the au ...
during his invasion of Parthia in 36 BC:
Cassius Dio Lucius Cassius Dio (), also known as Dio Cassius ( ), was a Roman historian and senator of maternal Greek origin. He published 80 volumes of the history on ancient Rome, beginning with the arrival of Aeneas in Italy. The volumes documented the ...
writes about the ''testudo'' when describing the campaign of Mark Antony in 36 BC:


Tactical analysis

The ''testudo'' was used to protect soldiers from all types of missiles. It could be formed by immobile troops and troops on the march. The primary drawback to the formation was that, because of its density, the men found it more difficult to fight in hand-to-hand combat and because the men were required to move in unison, speed was sacrificed. As "
phoulkon The ''phoulkon'' ( gr, φοῦλκον), in Latin fulcum, was an infantry formation utilized by the military of the late Roman and Byzantine Empire. It is a formation in which an infantry formation closes ranks and the first two or three lines ...
", it played a great role in the tactics employed by the Byzantines against their eastern enemies. The ''testudo'' was not invincible, as
Cassius Dio Lucius Cassius Dio (), also known as Dio Cassius ( ), was a Roman historian and senator of maternal Greek origin. He published 80 volumes of the history on ancient Rome, beginning with the arrival of Aeneas in Italy. The volumes documented the ...
also gives an account of a Roman shield array being defeated by
Parthia Parthia ( peo, 𐎱𐎼𐎰𐎺 ''Parθava''; xpr, 𐭐𐭓𐭕𐭅 ''Parθaw''; pal, 𐭯𐭫𐭮𐭥𐭡𐭥 ''Pahlaw'') is a historical region located in northeastern Greater Iran. It was conquered and subjugated by the empire of the Med ...
n
cataphract A cataphract was a form of armored heavy cavalryman that originated in Persia and was fielded in ancient warfare throughout Eurasia and Northern Africa. The English word derives from the Greek ' (plural: '), literally meaning "armored" or ...
s and
horse archers A horse archer is a cavalryman armed with a bow and able to shoot while riding from horseback. Archery has occasionally been used from the backs of other riding animals. In large open areas, it was a highly successful technique for hunting, f ...
at the
Battle of Carrhae The Battle of Carrhae () was fought in 53 BC between the Roman Republic and the Parthian Empire near the ancient town of Carrhae (present-day Harran, Turkey). An invading force of seven legions of Roman heavy infantry under Marcus Liciniu ...
:
Tacitus Publius Cornelius Tacitus, known simply as Tacitus ( , ; – ), was a Roman historian and politician. Tacitus is widely regarded as one of the greatest Roman historians by modern scholars. The surviving portions of his two major works—the ...
recorded its use during the siege of the city of
Cremona Cremona (, also ; ; lmo, label= Cremunés, Cremùna; egl, Carmona) is a city and ''comune'' in northern Italy, situated in Lombardy, on the left bank of the Po river in the middle of the ''Pianura Padana'' ( Po Valley). It is the capital of the ...
by the troops of
Vespasian Vespasian (; la, Vespasianus ; 17 November AD 9 – 23/24 June 79) was a Roman emperor who reigned from AD 69 to 79. The fourth and last emperor who reigned in the Year of the Four Emperors, he founded the Flavian dynasty that ruled the Emp ...
under command of
Marcus Antonius Primus Marcus Antonius Primus (born between 20 AD and 35 AD – died after 81 AD) was a senator and general of the Roman Empire. Biography Early life Primus was born at Tolosa (Toulouse) in Gaul. He was likely the son/grandson of Lucius Antonius (grand ...
. During the attack the troops advanced under the rampart "holding their shields above their heads in close 'tortoise' formation".


Later usage

The ''testudo'' was a common formation in the
Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...
, being used by
Muhammad Muhammad ( ar, مُحَمَّد;  570 – 8 June 632 CE) was an Arab religious, social, and political leader and the founder of Islam. According to Islamic doctrine, he was a prophet divinely inspired to preach and confirm the mon ...
's forces during the
Siege of Ta'if The siege of Ta'if took place in 630, as the Muslims under the leadership of Muhammad besieged the city of Ta'if after their victory in the battles of Hunayn and Autas. One of the chieftains of Ta'if, Urwah ibn Mas'ud, was absent in Yemen d ...
in 630, also by the
Carolingian The Carolingian dynasty (; known variously as the Carlovingians, Carolingus, Carolings, Karolinger or Karlings) was a Frankish noble family named after Charlemagne, grandson of mayor Charles Martel and a descendant of the Arnulfing and Pippi ...
Frankish soldiers of
Louis the Pious Louis the Pious (german: Ludwig der Fromme; french: Louis le Pieux; 16 April 778 – 20 June 840), also called the Fair, and the Debonaire, was King of the Franks and co-emperor with his father, Charlemagne, from 813. He was also King of Aqu ...
to advance on the walls of
Barcelona Barcelona ( , , ) is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within c ...
during the siege of 800–801, by
Vikings Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...
during the siege of Paris in 885–886, by East Frankish soldiers under king
Arnulf of Carinthia Arnulf of Carinthia ( 850 – 8 December 899) was the duke of Carinthia who overthrew his uncle Emperor Charles the Fat to become the Carolingian king of East Francia from 887, the disputed king of Italy from 894 and the disputed emperor from ...
during the siege of
Bergamo Bergamo (; lmo, Bèrghem ; from the proto- Germanic elements *''berg +*heim'', the "mountain home") is a city in the alpine Lombardy region of northern Italy, approximately northeast of Milan, and about from Switzerland, the alpine lakes Com ...
in 894, by
Lotharingia Lotharingia ( la, regnum Lotharii regnum Lothariense Lotharingia; french: Lotharingie; german: Reich des Lothar Lotharingien Mittelreich; nl, Lotharingen) was a short-lived medieval successor kingdom of the Carolingian Empire. As a more durable ...
ns under
Conrad the Red Conrad ( – 10 August 955), called the Red (german: Konrad der Rote), was Duke of Lorraine from 944 until 953. He became the progenitor of the Imperial Salian dynasty. Life He was the son of Werner V (died about 935), a Franconian count in the ...
at the siege of Senlis in 949, by Lotharingian defenders at the siege of
Verdun Verdun (, , , ; official name before 1970 ''Verdun-sur-Meuse'') is a large city in the Meuse department in Grand Est, northeastern France. It is an arrondissement of the department. Verdun is the biggest city in Meuse, although the capital ...
in 984 and by the
Crusade 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 ...
rs of count
Raymond IV of Toulouse Raymond IV, Count of Toulouse ( 1041 – 28 February 1105), sometimes called Raymond of Saint-Gilles or Raymond I of Tripoli, was a powerful noble in southern France and one of the leaders of the First Crusade (1096–1099). He was the Count o ...
during the
siege of Nicaea The siege of Nicaea was the first major battle of the First Crusade, taking place from 14 May to 19 June 1097. The city was under the control the Seljuk Turks who opted to surrender to the Byzantines in fear of the crusaders breaking into the ci ...
in 1097. The ''testudo'' formation was also employed by medieval
Arabs The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Western Asia, ...
, who called it the ''dabbāba'' or "crawler". It was employed by Abu Abdallah al-Shi'i in the 906 siege of Tobna (in modern-day
Algeria ) , image_map = Algeria (centered orthographic projection).svg , map_caption = , image_map2 = , capital = Algiers , coordinates = , largest_city = capital , relig ...
), where he used it to protect
sapper A sapper, also called a pioneer or combat engineer, is a combatant or soldier who performs a variety of military engineering duties, such as breaching fortifications, demolitions, bridge-building, laying or clearing minefields, preparin ...
s as they advanced to the city walls, where they undermined and collapsed a tower, creating a breach for their allies to enter the city. British "riot police" have mastered its use, both as a defensive formation and as "snatch squads", where a targeted individual is swallowed up and held in the ''testudo'' while it withdraws from the crowd. During the
Euromaidan Euromaidan (; uk, Євромайдан, translit=Yevromaidan, lit=Euro Square, ), or the Maidan Uprising, was a wave of demonstrations and civil unrest in Ukraine, which began on 21 November 2013 with large protests in Maidan Nezalezhno ...
protests in
Kyiv Kyiv, also spelled Kiev, is the capital and most populous city of Ukraine. It is in north-central Ukraine along the Dnieper River. As of 1 January 2021, its population was 2,962,180, making Kyiv the seventh-most populous city in Europe. Ky ...
,
Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inva ...
in 2014 the Berkut riot police used the ''testudo'' tactic to protect themselves. Israeli forces and American George Floyd protestors have been known to use the formation.


Gallery

Image:Testudo_relief_Marcus_Aurelius_column.png, From the Column of Marcus Aurelius File:testudo formation.jpg, The ''testudo'' formation in a Roman military reenactment File:Wenceslas Hollar - A testudo.jpg, 17th century depiction by
Wenceslaus Hollar Wenceslaus Hollar (23 July 1607 – 25 March 1677) was a prolific and accomplished Bohemian graphic artist of the 17th century, who spent much of his life in England. He is known to German speakers as ; and to Czech speakers as . He is particu ...
File:Protest_0030.JPG,
2005 Belize unrest The 2005 protests in Belize are two separate but related incidents of civil unrest in the Central American nation, occurring in January and April. January 2005 budget protests Civil unrest broke out in the capital city of Belmopan in Belize ...


See also

* Mesopotamian military strategy and tactics *
Roman infantry tactics Roman infantry tactics refers to the theoretical and historical deployment, formation, and manoeuvres of the Roman infantry from the start of the Roman Republic to the fall of the Western Roman Empire. The focus below is primarily on Roman tactic ...


References

* Dio Cassius, ''Roman History Book 49, 30'', ed. Loeb Classical Library


Bibliography

* * * Cowan, Ross, ''Roman Battle Tactics 109BC - AD313'' (Osprey 2007)
Rance, Philip, “The Fulcum, the Late Roman and Byzantine Testudo: the Germanization of Roman Infantry Tactics?” in ''Greek, Roman and Byzantine Studies'' 44 (2004) pp. 265–326

Plutarch, ''Roman Lives'', ed. Robin Waterfield
* Dio Cassius, ''Roman History Book 49, 30'' ed. Loeb Classical Library


External links

* {{Ancient Rome military, state=expanded Infantry units and formations of ancient Rome Roman shields Roman tactical formations Tactical formations