AD 21 (
XXI) 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 will ...
of the Julian calendar. At the time, it was known as the Year of the Consulship of
Tiberius
Tiberius Julius Caesar Augustus (; 16 November 42 BC – 16 March AD 37) was the second Roman emperor. He reigned from AD 14 until 37, succeeding his stepfather, the first Roman emperor Augustus. Tiberius was born in Rome in 42 BC. His father ...
and
Drusus
Drusus may refer to:
* Claudius (Tiberius Claudius Drusus) (10 BC–AD 54), Roman emperor from 41 to 54
* Drusus Caesar (AD 8–33), adoptive grandson of Roman emperor Tiberius
* Drusus Julius Caesar (14 BC–AD 23), son of Roman emperor Tiberiu ...
(or, less frequently, year 774 ''
Ab urbe condita
''Ab urbe condita'' ( 'from the founding of the City'), or ''anno urbis conditae'' (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, the traditional founding of Rome. It is an exp ...
''). The denomination AD 21 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 Coptic ...
became the prevalent method in Europe for naming years.
Events
By place
Roman Empire
* The
Aedui
The Aedui or Haedui (Gaulish: *''Aiduoi'', 'the Ardent'; grc, Aἴδουοι) were a Gallic tribe dwelling in the modern Burgundy region during the Iron Age and the Roman period.
The Aedui had an ambiguous relationship with the Roman Republic ...
revolt under Julius Florus and
Julius Sacrovir Julius Sacrovir was a member of the gens Julia. Alongside Julius Florus, a leader of the Treveri, he led the Aedui tribe in Gaul in a revolt against the Romans. After being defeated in battle Sacrovir fled to, and was killed in Augustodunum.
Gal ...
; the revolt is suppressed by
Gaius Silius
Gaius Silius (died AD 24) was a Roman senator who achieved successes as a general over German barbarians following the disaster of the Battle of the Teutoburg Forest. For this achievement he was appointed consul in AD 13 with Lucius Munatius Planc ...
.
* Emperor Tiberius is a
Roman Consul
A consul held the highest elected political office of the Roman Republic ( to 27 BC), and ancient Romans considered the consulship the second-highest level of the ''cursus honorum'' (an ascending sequence of public offices to which politic ...
for the fourth time.
* The Romans create a
buffer state
A buffer state is a country geographically lying between two rival or potentially hostile great powers. Its existence can sometimes be thought to prevent conflict between them. A buffer state is sometimes a mutually agreed upon area lying between t ...
in the territory of the
Quadi
The Quadi were a Germanic
*
*
*
people who lived approximately in the area of modern Moravia in the time of the Roman Empire. The only surviving contemporary reports about the Germanic tribe are those of the Romans, whose empire had its bord ...
, in southern
Slovakia
Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the s ...
.
* Barracks are constructed for the
Praetorian Guard
The Praetorian Guard (Latin: ''cohortēs praetōriae'') was a unit of the Imperial Roman army that served as personal bodyguards and intelligence agents for the Roman emperors. During the Roman Republic, the Praetorian Guard were an escort fo ...
, on the
Quirinal
The Quirinal Hill (; la, Collis Quirinalis; it, Quirinale ) is one of the Seven Hills of Rome, at the north-east of the city center. It is the location of the official residence of the Italian head of state, who resides in the Quirinal Palace ...
(located on the
Seven Hills of Rome
The seven hills of Rome ( la, Septem colles/montes Romae, it, Sette colli di Roma ) east of the river Tiber form the geographical heart of Rome, within the walls of the city.
Hills
The seven hills are:
* Aventine Hill (Latin: ''Collis Aventi ...
).
Korea
* King
Daeso of Dongbuyeo is killed in battle against the armies of
Goguryeo
Goguryeo (37 BC–668 AD) ( ) also called Goryeo (), was a Korean kingdom located in the northern and central parts of the Korean Peninsula and the southern and central parts of Northeast China. At its peak of power, Goguryeo controlled most ...
, led by its third ruler, King
Daemusin.
By topic
Art and Science
* The manufacture of
pen
A pen is a common writing instrument that applies ink to a surface, usually paper, for writing or drawing. Early pens such as reed pens, quill pens, dip pens and ruling pens held a small amount of ink on a nib or in a small void or cavity wh ...
s and metal writing tools begins in
Rome
, established_title = Founded
, established_date = 753 BC
, founder = King Romulus (legendary)
, image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg
, map_caption ...
(approximate date).
Births
Deaths
*
Arminius
Arminius ( 18/17 BC – 21 AD) was a chieftain of the Germanic Cherusci tribe who is best known for commanding an alliance of Germanic tribes at the Battle of the Teutoburg Forest in 9 AD, in which three Roman legions under the command of ge ...
, Germanic military leader (b.
18/
17 BC)
*
Clutorius Priscus
Clutorius Priscus (c. 20 BC – AD 21) was a Roman poet.
Priscus was paid an honorarium by the Roman Emperor Tiberius to produce a panegyric for his nephew and adopted son Germanicus upon his death in AD 19.
Two years later, Tiberius' son D ...
, Roman poet (b. c.
20 BC)
*
Daeso of Dongbuyeo, Korean king (b.
60 BC
__NOTOC__
Year 60 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Metellus Celer and Afranius (or, less frequently, year 694 ''Ab urbe condita''). The denomination 60 BC for this year h ...
)
*
Marcus Valerius Messalla Barbatus
Valeria Messalina (; ) was the third wife of Roman emperor Claudius. She was a paternal cousin of Emperor Nero, a second cousin of Emperor Caligula, and a great-grandniece of Emperor Augustus. A powerful and influential woman with a reputation ...
, Roman consul (b.
11 BC
Eleven or 11 may refer to:
*11 (number), the natural number following 10 and preceding 12
* one of the years 11 BC, AD 11, 1911, 2011, or any year ending in 11
Literature
* ''Eleven'' (novel), a 2006 novel by British author David Llewellyn
*'' ...
)
*
Publius Sulpicius Quirinius
Publius Sulpicius Quirinius (c. 51 BC – AD 21), also translated as Cyrenius, was a Roman aristocrat. After the banishment of the ethnarch Herod Archelaus from the tetrarchy of Judea in AD 6, Quirinius was appointed legate governor of Syria, to ...
, Roman governor (b. c.
51 BC
__NOTOC__
Year 51 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Marcellus and Sulpicius (or, less frequently, year 703 ''Ab urbe condita''). The denomination 51 BC for this year has be ...
)
*
Wang
Wang may refer to:
Names
* Wang (surname) (王), a common Chinese surname
* Wāng (汪), a less common Chinese surname
* Titles in Chinese nobility
* A title in Korean nobility
* A title in Mongolian nobility
Places
* Wang River in Thailand ...
(or Xiaomu), Chinese empress of the
Xin Dynasty
The Xin dynasty (; ), also known as Xin Mang () in Chinese historiography, was a short-lived Chinese imperial dynasty which lasted from 9 to 23 AD, established by the Han dynasty consort kin Wang Mang, who usurped the throne of the Emperor Ping o ...
References
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