Year 171 ( CLXXI) was a

common year starting on Monday A common year starting on Monday is any non-leap year (i.e., a year with 365 days) that begins on Monday, 1 January, and ends on Monday, 31 December. Its dominical letter hence is G. The most recent year of such kind was 2018 and the next one wil ...

(link will display the full calendar) of the

Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandr ...

. At the time, it was known as the Year of the Consulship of Severus and Herennianus (or, less frequently, year 924 '' Ab urbe condita''). The denomination 171 for this year has been used since the early medieval period, when the

Anno Domini The terms (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars. The term is Medieval Latin and means 'in the year of the Lord', but is often presented using "our Lord" instead of "the Lord", ...

calendar era A calendar era is the period of time elapsed since one '' epoch'' of a calendar and, if it exists, before the next one. For example, it is the year as per the Gregorian calendar, which numbers its years in the Western Christian era (the Copti ...

became the prevalent method in Europe for naming years.

Events

By place

Roman Empire

* Emperor

Marcus Aurelius Marcus Aurelius Antoninus (Latin: áːɾkus̠ auɾέːli.us̠ antɔ́ːni.us̠ English: ; 26 April 121 – 17 March 180) was Roman emperor from 161 to 180 AD and a Stoic philosopher. He was the last of the rulers known as the Five Good ...

forms a new military command, the ''praetentura Italiae et Alpium''. Aquileia is relieved, and the

Marcomanni The Marcomanni were a Germanic people * * * that established a powerful kingdom north of the Danube, somewhere near modern Bohemia, during the peak of power of the nearby Roman Empire. According to Tacitus and Strabo, they were Suebian. Or ...

are evicted from Roman territory. * Marcus Aurelius signs a peace treaty with the Quadi and the

Sarmatian The Sarmatians (; grc, Σαρμαται, Sarmatai; Latin: ) were a large confederation of ancient Eastern Iranian equestrian nomadic peoples of classical antiquity who dominated the Pontic steppe from about the 3rd century BC to the 4th cen ...

Iazyges The Iazyges (), singular Ἰάζυξ. were an ancient Sarmatian tribe that traveled westward in BC from Central Asia to the steppes of modern Ukraine. In BC, they moved into modern-day Hungary and Serbia near the Dacian steppe between th ...

. The

Germanic tribes The Germanic peoples were historical groups of people that once occupied Central Europe and Scandinavia during antiquity and into the early Middle Ages. Since the 19th century, they have traditionally been defined by the use of ancient and e ...

of the

Hasdingi The Hasdingi were one of the Vandal peoples of the Roman era. The Vandals were Germanic peoples, who are believed to have spoken an East Germanic language, and were first reported during the first centuries of the Roman empire in the area which is ...

(

Vandals The Vandals were a Germanic people who first inhabited what is now southern Poland. They established Vandal kingdoms on the Iberian Peninsula, Mediterranean islands, and North Africa in the fifth century. The Vandals migrated to the area betw ...

) and the

Lacringi The Lacringi were an ancient Germanic tribe who participated in the Marcomannic Wars during the reign of Emperor Marcus Aurelius. After the tribes' initial crossing of the Danube was pushed back, their Vandal allies, the Astingi staged another i ...

become Roman allies. *

Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ' ...

and

Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the ...

become

protectorate A protectorate, in the context of international relations, is a state that is under protection by another state for defence against aggression and other violations of law. It is a dependent territory that enjoys autonomy over most of its int ...

s of the

Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post- Republican period of ancient Rome. As a polity, it included large territorial holdings around the Mediter ...

. * The

Costoboci The Costoboci (; lat, Costoboci, Costobocae, Castabocae, Coisstoboci, grc, Κοστωβῶκοι, Κοστουβῶκοι or Κοιστοβῶκοι) were a Dacian tribe located, during the Roman imperial era, between the Carpathian Mountains a ...

cross the Danube (

Dacia Dacia (, ; ) was the land inhabited by the Dacians, its core in Transylvania, stretching to the Danube in the south, the Black Sea in the east, and the Tisza in the west. The Carpathian Mountains were located in the middle of Dacia. It ...

) and ravage

Thrace Thrace (; el, Θράκη, Thráki; bg, Тракия, Trakiya; tr, Trakya) or Thrake is a geographical and historical region in Southeast Europe, now split among Bulgaria, Greece, and Turkey, which is bounded by the Balkan Mountains to ...

in the Balkan Peninsula. They reach Eleusis, near

Athens Athens ( ; el, Αθήνα, Athína ; grc, Ἀθῆναι, Athênai (pl.) ) is both the capital and largest city of Greece. With a population close to four million, it is also the seventh largest city in the European Union. Athens dominates ...

, and destroy the temple of the

Eleusinian Mysteries The Eleusinian Mysteries ( el, Ἐλευσίνια Μυστήρια, Eleusínia Mystḗria) were initiations held every year for the cult of Demeter and Persephone based at the Panhellenic Sanctuary of Elefsina in ancient Greece. They are th ...

. *

May May is the fifth month of the year in the Julian and Gregorian calendars and is the third of seven months to have a length of 31 days. May is a month of spring in the Northern Hemisphere, and autumn in the Southern Hemisphere. Therefore, May ...

–

June June is the sixth month of the year in the Julian and Gregorian calendars and is the second of four months to have a length of 30 days, and the third of five months to have a length of less than 31 days. June contains the summer solstice in ...

–

Aelius Aristides Publius Aelius Aristides Theodorus ( grc-gre, Πόπλιος Αἴλιος Ἀριστείδης Θεόδωρος; 117–181 AD) was a Greek orator and author considered to be a prime example as a member of the Second Sophistic, a group of celebr ...

, Greek orator, delivers a public speech in

Smyrna Smyrna ( ; grc, Σμύρνη, Smýrnē, or , ) was a Greek city located at a strategic point on the Aegean coast of Anatolia. Due to its advantageous port conditions, its ease of defence, and its good inland connections, Smyrna rose to promi ...

, lamenting the damage recently inflicted to the sacred site of Eleusis.

Births

Sima Lang Sima Lang (171–217), courtesy name Boda, was a government official who lived during the late Eastern Han dynasty of China. He was the eldest among the eight sons of Sima Fang, who served as the Intendant of the Capital () during the reign of ...

, Chinese official and politician (d. 217) *

Tian Yu Tian Yu (c. 171 – c. 252), courtesy name Guorang, was a military general of the state of Cao Wei during the Three Kingdoms period of China. Life Tian Yu was from Yongnu County (), Yuyang Commandery (), which is present-day Wuqing Distri ...

, Chinese general and politician (d.

252 Year 252 ( CCLII) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Trebonianus and Volusianus (or, less frequently, year 1005 '' Ab urb ...

) *

Xu Gan Xu Gan (Chinese: 徐幹, pinyin Xú Gàn, 171–218), courtesy name Weichang ( 偉長), was a Chinese philosopher and poet of the late Eastern Han dynasty. He was also one of the "Seven Scholars of Jian'an". He is best known in the West for his ...

, Chinese philosopher and poet (d.

218 Year 218 ( CCXVIII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Severus and Adventus (or, less frequently, year 971 ''Ab urbe c ...

) * Zhao Yan, Chinese general and politician (d. 245)

Deaths

References

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