The 2nd century is the period from AD 101 (represented by the

Roman numerals Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers are written with combinations of letters from the Latin alphabet, eac ...

CI) through AD 200 (CC) in accordance with the

Julian calendar The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts ...

. It is considered part of the

Classical era Classical antiquity, also known as the classical era, classical period, classical age, or simply antiquity, is the period of cultural European history between the 8th century BC and the 5th century AD comprising the interwoven civilization ...

, epoch, or

historical period In historiography, periodization is the process or study of categorizing the past into discrete, quantified, and named blocks of time for the purpose of study or analysis.Adam Rabinowitz.It's about time: historical periodization and Linked Ancie ...

. Early in the century, the

Roman Empire The Roman Empire ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Roman people, Romans conquered most of this during the Roman Republic, Republic, and it was ruled by emperors following Octavian's assumption of ...

attained its greatest expansion under the emperor

Trajan Trajan ( ; born Marcus Ulpius Traianus, 18 September 53) was a Roman emperor from AD 98 to 117, remembered as the second of the Five Good Emperors of the Nerva–Antonine dynasty. He was a philanthropic ruler and a successful soldier ...

, but after his death became primarily defensive for the rest of its history. Much prosperity took place throughout the empire at this time, ruled as it was by the "

Five Good Emperors 5 (five) is a number, numeral (linguistics), numeral and numerical digit, digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number. Humans, and many other animals, have 5 Digit (anatomy), digits ...

", a succession of well-received and able rulers. This period also saw the removal of the

Jew Jews (, , ), or the Jewish people, are an ethnoreligious group and nation, originating from the Israelites of ancient Israel and Judah. They also traditionally adhere to Judaism. Jewish ethnicity, religion, and community are highly inte ...

s from

Jerusalem Jerusalem is a city in the Southern Levant, on a plateau in the Judaean Mountains between the Mediterranean Sea, Mediterranean and the Dead Sea. It is one of the List of oldest continuously inhabited cities, oldest cities in the world, and ...

during the reign of

Hadrian Hadrian ( ; ; 24 January 76 – 10 July 138) was Roman emperor from 117 to 138. Hadrian was born in Italica, close to modern Seville in Spain, an Italic peoples, Italic settlement in Hispania Baetica; his branch of the Aelia gens, Aelia '' ...

after

Bar Kokhba's revolt The Bar Kokhba revolt (132–136 AD) was a major uprising by the Jews of Judaea against the Roman Empire, marking the final and most devastating of the Jewish–Roman wars. Led by Simon bar Kokhba, the rebels succeeded in establishing an indep ...

. The last quarter of the century saw the end of the period of peace and prosperity known as the

Pax Romana The (Latin for ) is a roughly 200-year-long period of Roman history that is identified as a golden age of increased and sustained Roman imperialism, relative peace and order, prosperous stability, hegemonic power, and regional expansion, a ...

at the death of the emperor

Marcus Aurelius Marcus Aurelius Antoninus ( ; ; 26 April 121 – 17 March 180) was Roman emperor from 161 to 180 and a Stoicism, Stoic philosopher. He was a member of the Nerva–Antonine dynasty, the last of the rulers later known as the Five Good Emperors ...

, last of the "

", and the ascension of

Commodus Commodus (; ; 31 August 161 – 31 December 192) was Roman emperor from 177 to 192, first serving as nominal co-emperor under his father Marcus Aurelius and then ruling alone from 180. Commodus's sole reign is commonly thought to mark the end o ...

. After Commodus was murdered in 192, a turbulent period known as the

Year of the Five Emperors The Year of the Five Emperors was AD 193, in which five men claimed the title of Roman emperor: Pertinax, Didius Julianus, Pescennius Niger, Clodius Albinus, and Septimius Severus. This year started a period of civil war when multiple rulers vie ...

ensued. After the quick successive removals of

Pertinax Publius Helvius Pertinax ( ; 1 August 126 – 28 March 193) was Roman emperor for the first three months of 193. He succeeded Commodus to become the first emperor during the tumultuous Year of the Five Emperors. Born to the son of a freed sl ...

and

Didius Julianus Marcus Didius Julianus (; 29 January 133 – 2 June 193) was Roman emperor from March to June 193, during the Year of the Five Emperors. Julianus had a promising political career, governing several provinces, including Dalmatia (Roman province) ...

from power, this period had the general-turned-emperor

Septimius Severus Lucius Septimius Severus (; ; 11 April 145 – 4 February 211) was Roman emperor from 193 to 211. He was born in Leptis Magna (present-day Al-Khums, Libya) in the Roman province of Africa. As a young man he advanced through cursus honorum, the ...

, who was the founder of the

Severan dynasty The Severan dynasty, sometimes called the Septimian dynasty, ruled the Roman Empire between 193 and 235. It was founded by the emperor Septimius Severus () and Julia Domna, his wife, when Septimius emerged victorious from civil war of 193 - 197, ...

, pitted against rival claimants in the form of

Pescennius Niger Gaius Pescennius Niger (c. 135 – 194) was a Roman usurper from 193 to 194 during the Year of the Five Emperors. He claimed the imperial throne in response to the murder of Pertinax and the elevation of Didius Julianus, but was defeated by a ...

. Severus' forces defeated the rival claimants at the

Battle of Issus The Battle of Issus (also Issos) occurred in southern Anatolia, on 5 November 333 BC between the League of Corinth, Hellenic League led by Alexander the Great and the Achaemenid Empire, led by Darius III of Persia, Darius III. It was the second g ...

in 194, and

Clodius Albinus Decimus Clodius Albinus ( 150 – 19 February 197) was a Roman imperial pretender between 193 and 197. He was proclaimed emperor by the legions in Britain and Hispania after the murder of Pertinax in 193 (known as the "Year of the Five Emperors") ...

, whom he defeated at the

Battle of Lugdunum The Battle of Lugdunum, also called the Battle of Lyon, was fought on 19 February 197 at Lugdunum (modern Lyon, France), between the armies of the Roman emperor Septimius Severus and of the Roman usurper Clodius Albinus. Severus' victory finall ...

in 197, granting Severus sole authority over the empire. Although the

Han dynasty The Han dynasty was an Dynasties of China, imperial dynasty of China (202 BC9 AD, 25–220 AD) established by Liu Bang and ruled by the House of Liu. The dynasty was preceded by the short-lived Qin dynasty (221–206 BC ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

was firmly cemented into power and extended its imperial influence into

Central Asia Central Asia is a region of Asia consisting of Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan. The countries as a group are also colloquially referred to as the "-stans" as all have names ending with the Persian language, Pers ...

during the first half of the century, by the second half there was widespread corruption and open rebellion. This led to its decline, and in September 189, the Han general

Dong Zhuo Dong Zhuo () (c. 140s – 22 May 192), courtesy name Zhongying, was a Chinese military general, politician, and warlord who lived in the late Eastern Han dynasty. At the end of the reign of the Eastern Han, Dong Zhuo was a general and powerful ...

, after being summoned to the capital by

He Jin He Jin () (died 22 September 189), courtesy name Suigao, was a Chinese military general and politician. He was the military Grand Marshal and regent of the late Eastern Han dynasty of China. He was an elder half-brother of Empress He (the emp ...

to help quell the corrupt and powerful eunuch faction by serving as an intimidator to both them and the

Empress Dowager Empress dowager (also dowager empress or empress mother; ) is the English language translation of the title given to the mother or widow of a monarch, especially in regards to Chinese, Japanese, Korean, or Vietnamese monarchs in the Chines ...

, marched his army into

Luoyang Luoyang ( zh, s=洛阳, t=洛陽, p=Luòyáng) is a city located in the confluence area of the Luo River and the Yellow River in the west of Henan province, China. Governed as a prefecture-level city, it borders the provincial capital of Zheng ...

in light of He Jin's assassination and the subsequent slaughter of the eunuchs, taking over the capital and effectively becoming the ''de facto'' head of the government. Warlords and government officials quickly took against him in a campaign that, while failing to put him down, compelled Dong Zhuo to shift the seat of imperial power further west to

Chang'an Chang'an (; zh, t=長安, s=长安, p=Cháng'ān, first=t) is the traditional name of the city now named Xi'an and was the capital of several Chinese dynasties, ranging from 202 BCE to 907 CE. The site has been inhabited since Neolithic time ...

. As Dong Zhuo was killed in 192, the chaos in the wake of the collapse of centralized authority only continued, with various warlords attempting to vie for supremacy in order to establish or hold onto their authority within the decaying empire. Meanwhile, Dong Zhuo's former followers Li Jue and

Guo Si Guo Si () (died 197), also known as Guo Duo, was a Chinese military general, politician, and warlord serving under the warlord Dong Zhuo during the late Eastern Han dynasty of China. He assisted Dong Zhuo in his many campaigns and served as a ...

were left to squabble amongst themselves, while

Emperor Xian Emperor Xian of Han (2 April 181 – 21 April 234), personal name Liu Xie (劉協), courtesy name Bohe, was the 14th and last emperor of the Eastern Han dynasty of China. He reigned from 28 September 189 until his abdication and subsequent end ...

himself fled and returned to the ravaged city of Luoyang. In 196, he was given refuge by the warlord

Cao Cao Cao Cao (; ; ; 15 March 220), courtesy name Mengde, was a Chinese statesman, warlord, and poet who rose to power during the end of the Han dynasty (), ultimately taking effective control of the Han central government. He laid the foundation f ...

, who relocated him to the new capital city of Xu, from where he could control the emperor. Cao Cao would further exert his authority by defeating the powerful warlord

Yuan Shao Yuan Shao (, ; died 28 June 202), courtesy name Benchu (), was a Chinese military general, politician, and warlord who lived in the late Eastern Han dynasty. He occupied the northern territories of China during the civil wars that occurred tow ...

at the decisive

Battle of Guandu The Battle of Guandu was fought between the warlords Cao Cao and Yuan Shao in 200 AD in the late Eastern Han dynasty. Cao Cao's decisive victory against Yuan Shao's numerically superior forces marked the turning point in their war. The victory ...

in 200.

Events

AD 96 AD 96 ( XCVI) was a leap year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Valens and Vetus (or, less frequently, year 849 ''Ab urbe condita''). The denomination AD 96 for this year has be ...

– 180:

of Rome:

Nerva Nerva (; born Marcus Cocceius Nerva; 8 November 30 – 27 January 98) was a Roman emperor from 96 to 98. Nerva became emperor when aged almost 66, after a lifetime of imperial service under Nero and the succeeding rulers of the Flavian dynast ...

Antoninus Pius Titus Aelius Hadrianus Antoninus Pius (; ; 19 September 86 – 7 March 161) was Roman emperor from AD 138 to 161. He was the fourth of the Five Good Emperors from the Nerva–Antonine dynasty. Born into a senatorial family, Antoninus held var ...

and

. *

100 100 or one hundred (Roman numeral: C) is the natural number following 99 and preceding 101. In mathematics 100 is the square of 10 (in scientific notation it is written as 102). The standard SI prefix for a hundred is " hecto-". 100 is the b ...

–

200 Year 200 ( CC) was a leap year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Severus and Victorinus (or, less frequently, year 953 ''Ab urbe condita''). The denomination 200 for this y ...

: The

Grand Anicut Kallanai (also known as the Grand Anicut) is an ancient dam built by Karikala of Chola dynasty in 150 CE. It was built (in running water) across the Kaveri river flowing from Tiruchirapalli District to Thanjavur district, Tamil Nadu, India. ...

, an ancient dam, is constructed by a

Chola The Chola Empire, which is often referred to as the Imperial Cholas, was a medieval thalassocratic empire based in southern India that was ruled by the Chola dynasty, and comprised overseas dominions, protectorates and spheres of influence ...

king. *

101 101 may refer to: *101 (number), the number * AD 101, a year in the 2nd century AD * 101 BC, a year in the 2nd century BC It may also refer to: Entertainment * ''101'' (album), a live album and documentary by Depeche Mode * "101" (song), a 19 ...

–

102 102 may refer to: *102 (number), the number * AD 102, a year in the 2nd century AD * 102 BC, a year in the 2nd century BC * 102 (ambulance service), an emergency medical transport service in Uttar Pradesh, India * 102 (Clyde) Field Squadron, Royal E ...

105 105 may refer to: *105 (number), the number * AD 105, a year in the 2nd century AD * 105 BC, a year in the 2nd century BC * 105 (telephone number), the emergency telephone number in Mongolia * 105 (MBTA bus), a Massachusetts Bay Transport Authority ...

–

106 106 may refer to: * 106 (number), the number * AD 106, a year in the 2nd century AD * 106 BC, a year in the 2nd century BC * 106 (emergency telephone number), an Australian emergency number * 106 (MBTA bus), a route of the Massachusetts Bay Transpor ...

: The Dacian Wars. After two conflicts,

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 thus ro ...

is annexed as a

Roman province The Roman provinces (, pl. ) were the administrative regions of Ancient Rome outside Roman Italy that were controlled by the Romans under the Roman Republic and later the Roman Empire. Each province was ruled by a Roman appointed as Roman g ...

. *

114 114 may refer to: *114 (number) *AD 114 *114 BC *114 (1st London) Army Engineer Regiment, Royal Engineers, an English military unit *114 (Antrim Artillery) Field Squadron, Royal Engineers, a Northern Irish military unit *114 (MBTA bus) *114 (New Je ...

– 116: A war with

Parthia Parthia ( ''Parθava''; ''Parθaw''; ''Pahlaw'') is a historical region located in northeastern Greater Iran. It was conquered and subjugated by the empire of the Medes during the 7th century BC, was incorporated into the subsequent Achaemeni ...

results in

Armenia Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to ...

and

Mesopotamia Mesopotamia is a historical region of West Asia situated within the Tigris–Euphrates river system, in the northern part of the Fertile Crescent. Today, Mesopotamia is known as present-day Iraq and forms the eastern geographic boundary of ...

being temporarily annexed into the

. * 115 – 117:

Kitos War The Kitos War took place from 116 to 118, as part of the Second Jewish–Roman War. Ancient Jewish sources date it to 52 years after the First Jewish–Roman War (66–73) and 16 years before the Bar Kokhba revolt (132–136). Like other conflic ...

, adjunct to the

Jewish–Roman wars The Jewish–Roman wars were a series of large-scale revolts by the Jews of Judaea against the Roman Empire between 66 and 135 CE. The conflict was driven by Jewish aspirations to restore the political independence lost when Rome conquer ...

. *

122 122 may refer to: * 122 (number), a natural number * AD 122, a year in the 2nd century AD * 122 BC, a year in the 2nd century BC * ''122'' (film), a 2019 Egyptian psychological horror film *" One Twenty Two", a 2022 single by the American rock band ...

–

132 132 may refer to: * 132 (number), the natural number following 131 and preceding 133 *AD 132, a leap year starting on Monday of the Julian calendar * 132 BC, a year of the pre-Julian Roman calendar * 132 (MBTA bus), a Massachusetts Bay Transportati ...

Hadrian's Wall Hadrian's Wall (, also known as the ''Roman Wall'', Picts' Wall, or ''Vallum Aelium'' in Latin) is a former defensive fortification of the Roman province of Roman Britain, Britannia, begun in AD 122 in the reign of the Emperor Hadrian. Ru ...

is built across what is now Northern England. * 127 – 140: The

Kushan ''Kushan'' or Kushana may refer to: * Kushan Empire The Kushan Empire (– CE) was a Syncretism, syncretic empire formed by the Yuezhi in the Bactrian territories in the early 1st century. It spread to encompass much of what is now Afghanistan ...

ruler

Kanishka Kanishka I, also known as Kanishka the Great, was an emperor of the Kushan dynasty, under whose reign (–150 CE) the empire reached its zenith. He is famous for his military, political, and spiritual achievements. A descendant of Kujula Kadp ...

ruled present-day Pakistan and northern India. *

–

135 135 may refer to: *135 (number) *AD 135 *135 BC *135 film, better known as 35 mm film, is a format of photographic film used for still photography *135 (New Jersey bus), a New Jersey Transit bus route *135 Hertha 135 Hertha is an asteroid from ...

against Rome. *

: Chinese chronicles described the existence of diplomatic relations between

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

and China. * 140 – 180:

Huvishka Huvishka ( Kushan: Οοηϸκι, ''Ooēški'', Brahmi: 𑀳𑀼𑀯𑀺𑀱𑁆𑀓; ', '; Kharosthi: 𐨱𐨂𐨬𐨅𐨮𐨿𐨐 ', ') was the emperor of the Kushan Empire from the death of Kanishka (assumed on the best evidence available to ...

ruler. * 142 –

154 Year 154 ( CLIV) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Lateranus (or, less frequently, year 907 ''Ab urbe condita''). The denomination 154 for this ...

: The

Antonine Wall The Antonine Wall () was a turf fortification on stone foundations, built by the Romans across what is now the Central Belt of Scotland, between the Firth of Clyde and the Firth of Forth. Built some twenty years after Hadrian's Wall to the south ...

is built across what is now central

Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...

. *

144 144 may refer to: * 144 (number), the natural number following 143 and preceding 145 * AD 144, a year of the Julian calendar, in the second century AD * 144 BC, a year of the pre-Julian Roman calendar * 144 (film), ''144'' (film), a 2015 Indian com ...

Marcion Marcion of Sinope (; ; ) was a theologian in early Christianity. Marcion preached that God had sent Jesus Christ, who was distinct from the "vengeful" God ( Demiurge) who had created the world. He considered himself a follower of Paul the Apost ...

, rejected by Church of Rome, founds

Marcionism Marcionism was an Early Christianity, early Christian Dualistic cosmology, dualistic belief system that originated with the teachings of Marcion of Sinope in Rome around 144 AD. Marcion was an Diversity in early Christian theology, early Chr ...

. *

161 Year 161 ( CLXI) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Caesar and Aurelius (or, less frequently, year 914 ''Ab urbe condita''). The denomination 161 for this ye ...

– 166:

Roman–Parthian War of 161–166 The Roman–Parthian War of 161–166 (also called the Parthian War of Lucius Verus) was fought between the Roman Empire, Roman and Parthian Empires over Kingdom of Armenia (antiquity), Armenia and Upper Mesopotamia. It concluded in 16 ...

. *

165 Year 165 ( CLXV) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Orfitus and Pudens (or, less frequently, year 918 ''Ab urbe condita''). The denomination 165 for this year ...

– 180: The

Antonine Plague The Antonine Plague of AD 165 to 180, also known as the Plague of Galen (after Galen, the Greek physician who described it), was a prolonged and destructive epidemic, which affected the Roman Empire. It was possibly contracted and spread by so ...

in Rome. * 166 – 180:

Marcomannic Wars The Marcomannic Wars () were a series of wars lasting from about AD 166 until 180. These wars pitted the Roman Empire against principally the Germanic peoples, Germanic Marcomanni and Quadi and the Sarmatian Iazyges; there were related conflicts ...

. * 166 –

184 __NOTOC__ Year 184 ( CLXXXIV) was a leap year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Eggius and Aelianus (or, less frequently, year 937 ''Ab urbe condita''). The denomination 18 ...

Disasters of the Partisan Prohibitions The Disasters of the Partisan Prohibitions (; "Dǎng Gù Zhī Huò") refers to two incidents during the reigns of Emperor Huan of Han and his successor, Emperor Ling, in which a number of Confucian scholars who served as officials in the Han impe ...

. * 180 –

192 Year 192 ( CXCII) was a leap year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aelius and Pertinax (or, less frequently, year 945 ''Ab urbe condita''). The denomination 192 for this yea ...

: Reign of

, Roman emperor. *

– 205: The

Yellow Turban Rebellion The Yellow Turban Rebellion, alternatively translated as the Yellow Scarves Rebellion, was a peasant revolt during the late Eastern Han dynasty of ancient China. The uprising broke out in 184 CE, during the reign of Emperor Ling. Although t ...

of the

in China begins. *

–

189 Year 189 ( CLXXXIX) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Silanus and Silanus (or, less frequently, year 942 ''Ab urbe condita''). The denomination 189 for th ...

: The Liang Province Rebellion breakouts in northwest China. *

–

220 __NOTOC__ Year 220 (Roman numerals, CCXX) was a leap year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Antonius and Eutychianus (or, less frequently, year 973 ''Ab urbe condita''). The ...

: The

end of the Han dynasty The end of the (Eastern) Han dynasty was the period of History of China, Chinese history from 189 to 220 CE, roughly coinciding with the tumultuous reign of the Han dynasty's last ruler, Emperor Xian of Han, Emperor Xian. It was followed by the ...

. * 190 –

191 Year 191 ( CXCI) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Apronianus and Bradua (or, less frequently, year 944 ''Ab urbe condita''). The denomination 191 for this ye ...

Warlord Warlords are individuals who exercise military, Economy, economic, and Politics, political control over a region, often one State collapse, without a strong central or national government, typically through informal control over Militia, local ...

s across China launches a

campaign against Dong Zhuo The Campaign against Dong Zhuo was a punitive expedition initiated by a coalition of regional officials and warlords against the warlord Dong Zhuo in 190 in the late Eastern Han dynasty. The members of the coalition claimed that Dong had the i ...

. *

193 Year 193 ( CXCIII) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Sosius and Ericius (or, less frequently, year 946 ''Ab urbe condita''). The denomination 193 for this ye ...

of Rome:

and

. *

–

211 Year 211 ( CCXI) was a common year starting on Tuesday of the Julian calendar. At the time, in the Roman Empire it was known as the Year of the Consulship of Terentius and Bassus (or, less frequently, year 964 ''Ab urbe condita''). The denomin ...

: Reign of the Roman emperor

. *The

Kingdom of Aksum The Kingdom of Aksum, or the Aksumite Empire, was a kingdom in East Africa and South Arabia from classical antiquity to the Middle Ages, based in what is now northern Ethiopia and Eritrea, and spanning present-day Djibouti and Sudan. Emerging ...

emerges. *Herakleitos makes ''The Unswept Floor'', mosaic variant of a 2nd-century BC painting by Sosos of

Pergamon Pergamon or Pergamum ( or ; ), also referred to by its modern Greek form Pergamos (), was a rich and powerful ancient Greece, ancient Greek city in Aeolis. It is located from the modern coastline of the Aegean Sea on a promontory on the north s ...

. It is now kept at the

Musei Vaticani The Vatican Museums (; ) are the public museums of the Vatican City. They display works from the immense collection amassed by the Catholic Church and the papacy throughout the centuries, including several of the best-known Roman sculptures and ...

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

. *2nd or 3rd century – Standing Buddha, from

Gandhara Gandhara () was an ancient Indo-Aryan people, Indo-Aryan civilization in present-day northwest Pakistan and northeast Afghanistan. The core of the region of Gandhara was the Peshawar valley, Peshawar (Pushkalawati) and Swat valleys extending ...

, Pakistan, is constructed during the Kushan period. It is now kept at

Lahore Museum The Lahore Museum (; ) is a museum located in Lahore, Punjab, Pakistan. Founded in 1865 at a smaller location and opened in 1894 at its current location on The Mall in Lahore during the British colonial period, Lahore Museum is Pakistan's larg ...

Lahore Lahore ( ; ; ) is the capital and largest city of the Administrative units of Pakistan, Pakistani province of Punjab, Pakistan, Punjab. It is the List of cities in Pakistan by population, second-largest city in Pakistan, after Karachi, and ...

Inventions, discoveries, introductions

Cai Lun Cai Lun ( zh, s=蔡伦; courtesy name: Jingzhong ( zh, labels=no, t=敬仲, s=敬仲); – 121 CE), formerly romanization of Chinese, romanized as Ts'ai Lun, was a Eunuchs in China, Chinese eunuch court official of the Eastern Han dynasty. H ...

of China invents paper in its modern form. *

125 125 may refer to: *125 (number), a natural number *AD 125, a year in the 2nd century AD *125 BC, a year in the 2nd century BC *125 (dinghy), a two person intermediate sailing dinghy *125 (New Jersey bus), a New Jersey Transit bus route *125 Liberatr ...

Zhang Heng Zhang Heng (; AD 78–139), formerly romanization of Chinese, romanized Chang Heng, was a Chinese polymathic scientist and statesman who lived during the Han dynasty#Eastern Han (25–220 AD), Eastern Han dynasty. Educated in the capital citi ...

of China invents the world's first water-powered

armillary sphere An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of objects in the sky (on the celestial sphere), consisting of a spherical framework of rings, centered on Earth or the Sun, that represent lines o ...

. *

: Zhang Heng of China invents first

seismometer A seismometer is an instrument that responds to ground displacement and shaking such as caused by quakes, volcanic eruptions, and explosions. They are usually combined with a timing device and a recording device to form a seismograph. The out ...

to detect the

cardinal direction The four cardinal directions or cardinal points are the four main compass directions: north (N), south (S), east (E), and west (W). The corresponding azimuths ( clockwise horizontal angle from north) are 0°, 90°, 180°, and 270°. The ...

earthquake An earthquakealso called a quake, tremor, or tembloris the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere that creates seismic waves. Earthquakes can range in intensity, from those so weak they ...

s. *

Ptolemy Claudius Ptolemy (; , ; ; – 160s/170s AD) was a Greco-Roman mathematician, astronomer, astrologer, geographer, and music theorist who wrote about a dozen scientific treatises, three of which were important to later Byzantine science, Byzant ...

compiles a catalogue of all stars visible to the naked eye. He also compiles three of the most influential books in western history: **the

Almagest The ''Almagest'' ( ) is a 2nd-century Greek mathematics, mathematical and Greek astronomy, astronomical treatise on the apparent motions of the stars and planetary paths, written by Ptolemy, Claudius Ptolemy ( ) in Koine Greek. One of the most i ...

, which becomes the basis for western and Middle Eastern astronomy until the time of

Nicolaus Copernicus Nicolaus Copernicus (19 February 1473 – 24 May 1543) was a Renaissance polymath who formulated a mathematical model, model of Celestial spheres#Renaissance, the universe that placed heliocentrism, the Sun rather than Earth at its cen ...

and

Johannes Kepler Johannes Kepler (27 December 1571 – 15 November 1630) was a German astronomer, mathematician, astrologer, Natural philosophy, natural philosopher and writer on music. He is a key figure in the 17th-century Scientific Revolution, best know ...

. **the astrological treatise

Tetrabiblos ''Tetrabiblos'' (, ), also known as ''Apotelesmatiká'' (, ) and in Latin as ''Quadripartitum'' (), is a text on the philosophy and practice of astrology, written by the Alexandrian scholar Claudius Ptolemy in Koine Greek during the Ptolemy' ...

. **the

Geographia The ''Geography'' (, , "Geographical Guidance"), also known by its Latin names as the ' and the ', is a gazetteer, an atlas, and a treatise on cartography, compiling the geographical knowledge of the 2nd-century Roman Empire. Originally wri ...

. * Hindu number system: It was developed in the Indian subcontinent between the 1st and 6th centuries CE. * Carding devices: The earliest evidence for using bow-instruments for

carding In Textile manufacturing, textile production, carding is a mechanical process that disentangles, cleans and intermixes fibres to produce a continuous web or sliver (textiles), sliver suitable for subsequent processing. This is achieved by passi ...

comes from India.

References

* {{DEFAULTSORT:2nd Century 1st millennium 02nd century