AD 23 ( XXIII) was a

common year starting on Friday A common year starting on Friday is any non-leap year (i.e. a year with 365 days) that begins on Friday, 1 January, and ends on Friday, 31 December. Its dominical letter hence is C. The most recent year of such kind was 2021, and the next one wil ...

of 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 ...

. At the time, it was known as the Year of the

Consulship The consuls were the highest elected public officials of the Roman Republic ( to 27 BC). Romans considered the consulship the second-highest level of the ''cursus honorum''an ascending sequence of public offices to which politicians aspire ...

of Pollio and Vetus (or, less frequently, year 776 ''

Ab urbe condita ''Ab urbe condita'' (; 'from the founding of Rome, founding of the City'), or (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, 753 BC, the traditional founding of Rome. It is ...

''). The denomination AD 23 for this year has been used since the early

medieval period In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of World history (field), global history. It began with the fall of the West ...

, when the

Anno Domini The terms (AD) and before Christ (BC) are used when designating years in the Gregorian calendar, Gregorian and Julian calendar, Julian calendars. The term is Medieval Latin and means "in the year of the Lord" but is often presented using "o ...

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, the current year is numbered in the Gregorian calendar, which numbers its years in the Western Christian era ...

became the prevalent method in Europe for naming years.

Events

By place

Roman Empire

* Greek

geographer A geographer is a physical scientist, social scientist or humanist whose area of study is geography, the study of Earth's natural environment and human society, including how society and nature interacts. The Greek prefix "geo" means "earth" a ...

Strabo Strabo''Strabo'' (meaning "squinty", as in strabismus) was a term employed by the Romans for anyone whose eyes were distorted or deformed. The father of Pompey was called "Gnaeus Pompeius Strabo, Pompeius Strabo". A native of Sicily so clear-si ...

publishes

Geographica The ''Geographica'' (, ''Geōgraphiká''; or , "Strabo's 17 Books on Geographical Topics") or ''Geography'', is an encyclopedia of geographical knowledge, consisting of 17 'books', written in Greek in the late 1st century BC, or early 1st cen ...

, a work covering the world known to the Romans and

Greeks Greeks or Hellenes (; , ) are an ethnic group and nation native to Greece, Greek Cypriots, Cyprus, Greeks in Albania, southern Albania, Greeks in Turkey#History, Anatolia, parts of Greeks in Italy, Italy and Egyptian Greeks, Egypt, and to a l ...

at the time of Emperor

Augustus Gaius Julius Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian (), was the founder of the Roman Empire, who reigned as the first Roman emperor from 27 BC until his death in A ...

– it is the only such book to survive from the ancient world. * Emperor

Tiberius Tiberius Julius Caesar Augustus ( ; 16 November 42 BC – 16 March AD 37) was Roman emperor from AD 14 until 37. He succeeded his stepfather Augustus, the first Roman emperor. Tiberius was born in Rome in 42 BC to Roman politician Tiberius Cl ...

' son

Drusus Julius Caesar Drusus Julius Caesar (7 October – 14 September AD 23), also called Drusus the Younger, was the son of Emperor Tiberius, and heir to the Roman Empire following the death of his adoptive brother Germanicus in AD 19. He was born at Rome to a ...

dies. From that point forward, Tiberius seems to lose interest in the Empire and occupies himself with the pursuit of pleasure. *

Lucius Aelius Sejanus Lucius Aelius Sejanus ( – 18 October AD 31), commonly known as Sejanus (), was a Roman Empire, Roman soldier and confidant of the Roman Emperor Tiberius. Of the Equites class by birth, Sejanus rose to power as Praetorian prefect, prefect of th ...

begins to dominate the

Roman Senate The Roman Senate () was the highest and constituting assembly of ancient Rome and its aristocracy. With different powers throughout its existence it lasted from the first days of the city of Rome (traditionally founded in 753 BC) as the Sena ...

and Tiberius, after the death of Drusus.

China

* Liu Xuan, a descendant of 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 ...

royal family and leader of insurgents against the

Xin dynasty The Xin dynasty (; ), also known as Xin Mang () in Chinese historiography, was a short-lived Dynasties in Chinese history, Chinese imperial dynasty which lasted from 9 to 23 AD, established by the Han dynasty consort kin Wang Mang, who usurped th ...

, proclaims himself emperor against

Wang Mang Wang Mang (45 BCE6 October 23 CE), courtesy name Jujun, officially known as the Shijianguo Emperor (), was the founder and the only emperor of the short-lived Chinese Xin dynasty. He was originally an official and consort kin of the ...

. * July – After being under siege for two months, about 19,000 insurgents under Liu Xiu defeat 450,000 of Wang Mang's troops in the Battle of Kunyang, ushering in the fall of Wang Mang's Xin dynasty and restoration of the Han dynasty. * October 6 – Emperor Liu Xuan's forces kill Wang Mang at the end of a three-day siege.

Births

Pliny the Elder Gaius Plinius Secundus (AD 23/24 79), known in English as Pliny the Elder ( ), was a Roman Empire, Roman author, Natural history, naturalist, and naval and army commander of the early Roman Empire, and a friend of the Roman emperor, emperor Vesp ...

, Roman scientist and writer (d. 79 AD)

Deaths

* September 14 –

, son of Emperor

(b.

14 BC __NOTOC__ Year 14 BC was either a common year starting on Thursday or Friday or a leap year starting on Wednesday, Thursday or Friday of the Julian calendar (the sources differ, see leap year error for further information) and a common year st ...

) * October 6 –

, Chinese emperor of the

(b. c.

45 BC __NOTOC__ Year 45 BC was either a common year starting on Thursday, Common year starting on Friday, Friday or Common year starting on Saturday, Saturday or a leap year starting on Friday or Leap year starting on Saturday, Saturday (the sources d ...

) *

Juba II Juba II of Mauretania (Latin: ''Gaius Iulius Iuba''; or ;Roller, Duane W. (2003) ''The World of Juba II and Kleopatra Selene'' "Routledge (UK)". pp. 1–3. . c. 48 BC – AD 23) was the son of Juba I and client king of Numidia (30–25 BC) and ...

, king of

Mauretania Mauretania (; ) is the Latin name for a region in the ancient Maghreb. It extended from central present-day Algeria to the Atlantic Ocean, Atlantic, encompassing northern present-day Morocco, and from the Mediterranean Sea, Mediterranean in the ...

(b. c.

50 BC __NOTOC__ Year 50 BC was a year of the Roman calendar, pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Paullus and Marcellus (or, less frequently, year 704 ''Ab urbe condita''). The denomination 50 BC for t ...

) * Liu Xin, Chinese astronomer, mathematician and politician (b. c.

) * Liu Yan, Chinese general and politician * Servius Cornelius Lentulus Maluginensis, Roman statesman *

Wang Wang may refer to: Names * Wang (surname) Wang () is the pinyin romanization of Chinese, romanization of the common Chinese surname (''Wáng''). It has a mixture of various origin with uncertain lineage of family history, however it is c ...

, Chinese empress of the Xin dynasty (b.

8 BC __NOTOC__ Year 8 BC was either a common year starting on Friday or Saturday or a leap year starting on Thursday of the Julian calendar (the sources differ, see leap year error for further information) and a common year starting on Wednesday ...

)

References

als:20er#23 {{DEFAULTSORT:23 0023