21 BC
Encyclopedia
Year 21 BC was either a common year starting on Monday
, Tuesday
or Wednesday
or a leap year starting on Tuesday
(link will display the full calendar) of the Julian calendar
(the sources differ, see leap year error for further information) and a leap year starting on Sunday
of the Proleptic Julian calendar
. At the time, it was known as the Year of the Consulship of Lollius and Lepidus (or, less frequently, year 733 Ab urbe condita
). The denomination 21 BC for this year has been used since the early medieval period, when the Anno Domini
calendar era
became the prevalent method in Europe for naming years.
Common year starting on Monday
This is the calendar for any common year starting on Monday, January 1 . Examples: Gregorian year 1990, 2001, 2007 and 2018or Julian year 1918 ....
, Tuesday
Common year starting on Tuesday
This is the calendar for any common year starting on Tuesday, January 1 . Examples: Gregorian years 1985, 1991, 2002, 2013 and 2019or Julian year 1919 .MillenniumCenturyGregorian Year2nd Millennium:...
or Wednesday
Common year starting on Wednesday
This is the calendar for any common year starting on Wednesday, January 1 . Examples: Gregorian years 1986, 1997, 2003, 2014 and 2025or Julian year 1903 ....
or a leap year starting on Tuesday
Leap year starting on Tuesday
This is the calendar for any leap year starting on Tuesday, January 1 , such as 1952, 1980, 2008, 2036 or 2064.Previous year | Next yearMillenniumCenturyYear2nd Millennium:18th century: 1760 1788...
(link will display the full calendar) of the Julian calendar
Julian calendar
The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...
(the sources differ, see leap year error for further information) and a leap year starting on Sunday
Leap year starting on Sunday
This is the calendar for any leap year starting on Sunday, January 1 , such as 1956, 1984, 2012, 2040, or 2068.This is the only leap year with three occurrences of Friday the 13th, each three months apart in January, April, and July....
of the Proleptic Julian calendar
Proleptic Julian calendar
The proleptic Julian calendar is produced by extending the Julian calendar to dates preceding AD 4 when its quadrennial leap year stabilized. The leap years actually observed between its official implementation in 45 BC and AD 4 were erratic, see the Julian calendar article for details.A calendar...
. At the time, it was known as the Year of the Consulship of Lollius and Lepidus (or, less frequently, year 733 Ab urbe condita
Ab urbe condita
Ab urbe condita is Latin for "from the founding of the City ", traditionally set in 753 BC. AUC is a year-numbering system used by some ancient Roman historians to identify particular Roman years...
). The denomination 21 BC for this year has been used since the early medieval period, when the Anno Domini
Anno Domini
and Before Christ are designations used to label or number years used with the Julian and Gregorian calendars....
calendar era
Calendar era
A calendar era is the year numbering system used by a calendar. For example, the Gregorian calendar numbers its years in the Western Christian era . The instant, date, or year from which time is marked is called the epoch of the era...
became the prevalent method in Europe for naming years.
Roman Empire
- Marcus Vipsanius AgrippaMarcus Vipsanius AgrippaMarcus Vipsanius Agrippa was a Roman statesman and general. He was a close friend, son-in-law, lieutenant and defense minister to Octavian, the future Emperor Caesar Augustus...
divorceDivorceDivorce is the final termination of a marital union, canceling the legal duties and responsibilities of marriage and dissolving the bonds of matrimony between the parties...
s Claudia MarcellaClaudia MarcellaClaudia Marcella was the name of the two daughters of Octavia Minor, the sister of Emperor Augustus, by her first husband, the consul Gaius Claudius Marcellus Minor. According to Suetonius, they were known as The Marcellae sisters. The sisters were born in Rome...
, and marriesMarriageMarriage is a social union or legal contract between people that creates kinship. It is an institution in which interpersonal relationships, usually intimate and sexual, are acknowledged in a variety of ways, depending on the culture or subculture in which it is found...
Julia the ElderJulia the ElderJulia the Elder , known to her contemporaries as Julia Caesaris filia or Julia Augusti filia was the daughter and only biological child of Augustus, the first emperor of the Roman Empire. Augustus subsequently adopted several male members of his close family as sons...
, daughter of Caesar AugustusAugustusAugustus ;23 September 63 BC – 19 August AD 14) is considered the first emperor of the Roman Empire, which he ruled alone from 27 BC until his death in 14 AD.The dates of his rule are contemporary dates; Augustus lived under two calendars, the Roman Republican until 45 BC, and the Julian...
.
Births
- Naevius Sutorius MacroNaevius Sutorius MacroQuintus Naevius Cordus Sutorius Macro was a prefect of the Praetorian Guard, from 31 until 38, serving under the Roman Emperors Tiberius and Caligula...
, Roman prefectPraetorian prefectPraetorian prefect was the title of a high office in the Roman Empire. Originating as the commander of the Praetorian Guard, the office gradually acquired extensive legal and administrative functions, with its holders becoming the Emperor's chief aides...
and politicianPoliticianA politician, political leader, or political figure is an individual who is involved in influencing public policy and decision making...
(d. AD 3838Year 38 was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Iulianus and Asprenas...
)