Births
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| Millennium: | 1st millennium |
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| Centuries: | |
| Decades: | |
| Years: |
| AD 21 by topic |
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| Leaders |
| Categories |
| Gregorian calendar | AD 21 XXI |
| Ab urbe condita | 774 |
| Assyrian calendar | 4771 |
| Balinese saka calendar | N/A |
| Bengali calendar | −572 |
| Berber calendar | 971 |
| Buddhist calendar | 565 |
| Burmese calendar | −617 |
| Byzantine calendar | 5529–5530 |
| Chinese calendar | 庚辰年 (Metal Dragon) 2717 or 2657 — to — 辛巳年 (Metal Snake) 2718 or 2658 |
| Coptic calendar | −263 – −262 |
| Discordian calendar | 1187 |
| Ethiopian calendar | 13–14 |
| Hebrew calendar | 3781–3782 |
| Hindu calendars | |
| - Vikram Samvat | 77–78 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3121–3122 |
| Holocene calendar | 10021 |
| Iranian calendar | 601 BP – 600 BP |
| Islamic calendar | 619 BH – 618 BH |
| Javanese calendar | N/A |
| Julian calendar | AD 21 XXI |
| Korean calendar | 2354 |
| Minguo calendar | 1891 before ROC 民前1891年 |
| Nanakshahi calendar | −1447 |
| Seleucid era | 332/333 AG |
| Thai solar calendar | 563–564 |
| Tibetan calendar | 阳金龙年 (male Iron-Dragon) 147 or −234 or −1006 — to — 阴金蛇年 (female Iron-Snake) 148 or −233 or −1005 |
AD 21 ( XXI ) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Tiberius and Drusus (or, less frequently, year 774 Ab urbe condita ). The denomination AD 21 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.
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Year 12 BC was either a common year starting on Saturday, Sunday or Monday or a leap year starting on Sunday of the Julian calendar and a common year starting on Friday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Messalla and Quirinius. The denomination 12 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.
The 10s decade ran from January 1, AD 10, to December 31, AD 19.
The 20s decade ran from January 1, AD 20, to December 31, AD 29.
The 30s decade ran from January 1, AD 30, to December 31, AD 39.
AD 4 was a common year starting on Wednesday or a leap year starting on Tuesday of the Julian calendar and a leap year starting on Tuesday of the Proleptic Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Catus and Saturninus. The denomination "AD 4" 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.
6 was a common year starting on Friday of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Lepidus and Lucius Arruntius. The denomination "AD 6" 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.
AD 22 (XXII) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Agrippa and Galba. The denomination AD 22 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.
This article concerns the period 49 BC – 40 BC.
This article concerns the period 69 BC – 60 BC.
This article concerns the period 19 BC – 10 BC.
The gens Claudia, sometimes written Clodia, was one of the most prominent patrician houses at ancient Rome. The gens traced its origin to the earliest days of the Roman Republic. The first of the Claudii to obtain the consulship was Appius Claudius Sabinus Regillensis, in 495 BC, and from that time its members frequently held the highest offices of the state, both under the Republic and in imperial times.
Publius Quinctilius Varus was a Roman general and politician under the first Roman emperor Augustus. Varus is generally remembered for having lost three Roman legions when ambushed by Germanic tribes led by Arminius in the Battle of the Teutoburg Forest, whereupon he took his own life.
The gens Julia was one of the most prominent patrician families in ancient Rome. Members of the gens attained the highest dignities of the state in the earliest times of the Republic. The first of the family to obtain the consulship was Gaius Julius Iulus in 489 BC. The gens is perhaps best known, however, for Gaius Julius Caesar, the dictator and grand uncle of the emperor Augustus, through whom the name was passed to the so-called Julio-Claudian dynasty of the first century AD. The nomen Julius became very common in imperial times, as the descendants of persons enrolled as citizens under the early emperors began to make their mark in history.
Publius Cornelius Dolabella was a Roman senator active during the Principate. He was consul in AD 10 with Gaius Junius Silanus as his colleague. Dolabella is known for having reconstructed the Arch of Dolabella in Rome in AD 10, together with his co-consul Junius Silanus. Later, Nero used it for his aqueduct to the Caelian Hill.
Gaius Silius 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 Plancus as his colleague. However, years later Silius became entangled in machinations of the ambitious Praetorian prefect Sejanus and was forced to commit suicide.
The gens Aquillia or Aquilia was a plebeian family of great antiquity at ancient Rome. Two of the Aquillii are mentioned among the Roman nobles who conspired to bring back the Tarquins, and a member of the house, Gaius Aquillius Tuscus, was consul in 487 BC.
The gens Calpurnia was a plebeian family at ancient Rome, which first appears in history during the third century BC. The first of the gens to obtain the consulship was Gaius Calpurnius Piso in 180 BC, but from this time their consulships were very frequent, and the family of the Pisones became one of the most illustrious in the Roman state. Two important pieces of Republican legislation, the lex Calpurnia of 149 BC and lex Acilia Calpurnia of 67 BC were passed by members of the gens.
Publius Sulpicius Quirinius, 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 which the province of Judaea had been added for the purpose of a census.
The 0s began on January 1, 1 AD and ended on December 31, 9 AD, covering the first nine years of the Common Era. It is one of two "0-to-9" decade-like timespans that contain nine years, along with the 0s BC. Estimates for the world population by 1 AD range from 150 to 300 million.
The Revolt of Sacrovir, also called the Florus-Sacrovir Revolt, was a Gallic uprising against Roman authorities led by Julius Sacrovir of the Aedui and Julius Florus of the Treveri in AD 21. Motivated by financial woes, the two chieftains refused to pay an imposed tribute and led an army of Gallic debtors. Gaius Silius, commander of forces along the Rhine, suppressed the rebellion with two legions about twelve miles outside of Augustodunum. Florus took his own life to prevent capture after failing to elude pursuers and Sacrovir after being trapped in a house that was set on fire.