The ''collatio lustralis'' was a tax on "traders in the widest sense"''Oxford Classical Dictionary'', 2nd ed. 1970. p. 263 in the Roman Empire. It was instituted by Constantine, although there are some indications that such a tax existed during the reign of

Caligula Gaius Julius Caesar Augustus Germanicus (31 August 12 – 24 January 41), better known by his nickname Caligula (), was the third Roman emperor, ruling from 37 until his assassination in 41. He was the son of the popular Roman general Germani ...

(see

Suetonius Gaius Suetonius Tranquillus (), commonly referred to as Suetonius ( ; c. AD 69 – after AD 122), was a Roman historian who wrote during the early Imperial era The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τ� ...

, ''

Lives of the Twelve Caesars ''De vita Caesarum'' (Latin; "About the Life of the Caesars"), commonly known as ''The Twelve Caesars'', is a set of twelve biographies of Julius Caesar and the first 11 emperors of the Roman Empire written by Gaius Suetonius Tranquillus. The gr ...

''). It applied to both the Western and Eastern Empire. It was originally collected in both gold and silver, but only in gold beginning in the late 4th century. Like many Roman taxes, it was collected not annually, but (originally) every four years. It applied to all merchants, money-lenders, craftsmen, and others who received fees for their work, including prostitutes. The only initial exemptions were physicians, teachers, and farmers selling their own produce.

Western Empire

The tax continued in the West in the

Ostrogoth The Ostrogoths ( la, Ostrogothi, Austrogothi) were a Roman-era Germanic people. In the 5th century, they followed the Visigoths in creating one of the two great Gothic kingdoms within the Roman Empire, based upon the large Gothic populations who ...

ic and

Visigoth The Visigoths (; la, Visigothi, Wisigothi, Vesi, Visi, Wesi, Wisi) were an early Germanic people who, along with the Ostrogoths, constituted the two major political entities of the Goths within the Roman Empire in late antiquity, or what is kn ...

ic kingdoms that succeeded the Empire.

Eastern Roman empire

In the

Eastern Roman (Byzantine) Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

, this tax was known as the ''chrysargyron'' ( el, χρυσάργυρον), also called ''chrysargyrum''. The term originated from the

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

words for

gold Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile ...

(χρυσός) and

silver Silver is a chemical element with the symbol Ag (from the Latin ', derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical ...

(), which initially were the required forms of payment. According to the early Byzantine writer Zosimus, Emperor

Constantine I Constantine I ( , ; la, Flavius Valerius Constantinus, ; ; 27 February 22 May 337), also known as Constantine the Great, was Roman emperor from AD 306 to 337, the first one to convert to Christianity. Born in Naissus, Dacia Mediterran ...

first initiated this tax, perhaps as early as 325. Also there are hints that the tax existed during the rule of

Severus Alexander Marcus Aurelius Severus Alexander (1 October 208 – 21/22 March 235) was a Roman emperor, who reigned from 222 until 235. He was the last emperor from the Severan dynasty. He succeeded his slain cousin Elagabalus in 222. Alexander himself wa ...

(see ''

Augustan History The ''Historia Augusta'' (English: ''Augustan History'') is a late Roman collection of biographies, written in Latin, of the Roman emperors, their junior colleagues, designated heirs and usurpers from 117 to 284. Supposedly modeled on the si ...

''). The ecclesiastical historian Evagrius says that Constantine found the tax already established in the Eastern Empire, and considered abolishing it. Early in the 5th century, the tax had to be paid every four years. In some areas it was collected by

indiction An indiction ( la, indictio, impost) was a periodic reassessment of taxation in the Roman Empire which took place every fifteen years. In Late Antiquity, this 15-year cycle began to be used to date documents and it continued to be used for this p ...

year, every month. Each city chose individuals to collect the taxes from the community, which were then paid into the ''sacrae largitiones''.

Libanius Libanius ( grc-gre, Λιβάνιος, Libanios; ) was a teacher of rhetoric of the Sophist school in the Eastern Roman Empire. His prolific writings make him one of the best documented teachers of higher education in the ancient world and a criti ...

, Zosimus and Evagrius list examples of the hardships caused by this tax, probably because it was collected in one lump sum every four years. Parents were forced to sell their children into slavery or prostitution to meet the required levy. The tax was abolished by Anastasius I throughout the Eastern Roman Empire in the year 498 as part of his fiscal and monetary reforms. In the Italian peninsula, then ruled by the

Ostrogoths The Ostrogoths ( la, Ostrogothi, Austrogothi) were a Roman-era Germanic people. In the 5th century, they followed the Visigoths in creating one of the two great Gothic kingdoms within the Roman Empire, based upon the large Gothic populations who ...

, the tax was continued for some years, until they were conquered by

Belisarius Belisarius (; el, Βελισάριος; The exact date of his birth is unknown. – 565) was a military commander of the Byzantine Empire under the emperor Justinian I. He was instrumental in the reconquest of much of the Mediterranean terr ...

. According to

Joshua the Stylite Joshua the Stylite (also spelled Yeshu Stylite and Ieshu Stylite) is the attributed author of a chronicle which narrates the history of the war between the Byzantine Empire and Persians between 502 and 506, and which is generally considered to be on ...

, when the tax was ended, the people of the city of

Edessa Edessa (; grc, Ἔδεσσα, Édessa) was an ancient city (''polis'') in Upper Mesopotamia, founded during the Hellenistic period by King Seleucus I Nicator (), founder of the Seleucid Empire. It later became capital of the Kingdom of Osroe ...

, which was relieved of a tax of 140 pounds of gold every 4 years (2,520 ''

solidi The ''solidus'' (Latin 'solid'; ''solidi'') or nomisma ( grc-gre, νόμισμα, ''nómisma'', 'coin') was a highly pure gold coin issued in the Late Roman Empire and Byzantine Empire. Constantine introduced the coin, and its weigh ...

'' annually), celebrated with a week of festivities. The Emperor Anastasius compensated for this lost revenue by placing income earned from certain estates into a separate fund.

References

* *''The Ecclesiastical History of Evagrius Scholasticus''. Liverpool University Press, 2001, p. 184. *G. E. M. De Ste Croix. ''The Class Struggle in the Ancient Greek World''. Cornell University Press, 1989. {{ISBN, 0-8014-9597-0 Taxation in the Byzantine Empire Taxation in ancient Rome