Millennium: | 1st millennium BC |
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Centuries: | |
Decades: | |
Years: |
1 BC by topic |
Politics |
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Categories |
Gregorian calendar | 1 BC I BC |
Ab urbe condita | 753 |
Ancient Greek era | 194th Olympiad, year 4 |
Assyrian calendar | 4750 |
Balinese saka calendar | N/A |
Bengali calendar | −593 |
Berber calendar | 950 |
Buddhist calendar | 544 |
Burmese calendar | −638 |
Byzantine calendar | 5508–5509 |
Chinese calendar | 己未年 (Earth Goat) 2697 or 2490 — to — 庚申年 (Metal Monkey) 2698 or 2491 |
Coptic calendar | −284 – −283 |
Discordian calendar | 1166 |
Ethiopian calendar | −8 – −7 |
Hebrew calendar | 3760–3761 |
Hindu calendars | |
- Vikram Samvat | 56–57 |
- Shaka Samvat | N/A |
- Kali Yuga | 3100–3101 |
Holocene calendar | 10000 |
Iranian calendar | 622 BP – 621 BP |
Islamic calendar | 641 BH – 640 BH |
Javanese calendar | N/A |
Julian calendar | 1 BC I BC |
Korean calendar | 2333 |
Minguo calendar | 1912 before ROC 民前1912年 |
Nanakshahi calendar | −1468 |
Seleucid era | 311/312 AG |
Thai solar calendar | 542–543 |
Tibetan calendar | 阴土羊年 (female Earth-Goat) 126 or −255 or −1027 — to — 阳金猴年 (male Iron-Monkey) 127 or −254 or −1026 |
Year 1 BC was a common year starting on Friday or Saturday in the Julian calendar (the sources differ; see leap year error for further information) and a leap year starting on Thursday in the proleptic Julian calendar. It was also a leap year starting on Saturday in the Proleptic Gregorian calendar. At the time, it was known as the Year of the Consulship of Lentulus and Piso (or, less frequently, year 753 Ab urbe condita ). The denomination 1 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 following year is AD 1 in the widely used Julian calendar and the proleptic Gregorian calendar, which both do not have a "year zero".
The terms anno Domini (AD) and before Christ (BC) are used when designating years in the Gregorian and Julian calendars. The term anno Domini is Medieval Latin and means "in the year of the Lord" but is often presented using "our Lord" instead of "the Lord", taken from the full original phrase "anno Domini nostri Jesu Christi", which translates to "in the year of our Lord Jesus Christ". The form "BC" is specific to English, and equivalent abbreviations are used in other languages: the Latin form, rarely used in English, is ante Christum natum (ACN) or ante Christum (AC).
The 20s decade ran from January 1, AD 20, to December 31, AD 29.
AD 1 (I) or 1 CE was a common year starting on Saturday or Sunday, a common year starting on Saturday by the proleptic Julian calendar, and a common year starting on Monday by the proleptic Gregorian calendar. It is the epoch year for the Anno Domini (AD) Christian calendar era, and the 1st year of the 1st century and 1st millennium of the Christian or Common Era (CE).
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.
AD 23 (XXIII) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Pollio and Vetus. The denomination AD 23 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 0s BC is the period between 9 BC and 1 BC, the last nine years of the before Christ era. It is one of two "0-to-9" decade-like timespans that contain nine years, along with the 0s.
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 and a common year starting on Tuesday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Crassus and Lentulus. The denomination 14 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 proleptic Julian calendar is produced by extending the Julian calendar backwards to dates preceding AD 8 when the quadrennial leap year stabilized. The leap years that were actually observed between the implementation of the Julian calendar in 45 BC and AD 8 were erratic.
Year 2 BC was a common year starting on Thursday or Friday of the Julian calendar and a common year starting on Wednesday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Augustus and Silvanus. The denomination 2 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.
Year 3 BC was a common year starting on Wednesday or Thursday of the Julian calendar and a common year starting on Tuesday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Lentulus and Messalla. The denomination 3 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.
5 BC was a common year starting on Monday or Tuesday of the Julian calendar and a leap year starting on Saturday of the Proleptic Julian calendar. In the Roman world, it was known as the Year of the Consulship of Augustus and Sulla. The denomination 5 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.
Year 7 BC was a common year starting on Saturday or Sunday of the Julian calendar and a common year starting on Thursday of the Proleptic Julian calendar. In the Roman world, it was known as the Year of the Consulship of Tiberius and Piso. The denomination 7 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.
Year 8 BC was either a common year starting on Friday or Saturday or a leap year starting on Thursday of the Julian calendar and a common year starting on Wednesday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Censorinus and Gaius Asinius. The denomination 8 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.
Year 16 BC was either a common year starting on Monday, Tuesday or Wednesday or a leap year starting on Monday or Tuesday of the Julian calendar and a common year starting on Sunday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Ahenobarbus and Scipio. The denomination 16 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.
Year 18 BC was either a common year starting on Friday, Saturday or Sunday or a leap year starting on Saturday of the Julian calendar and a common year starting on Thursday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Lentulus and Lentulus. The denomination 18 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.
Dionysius Exiguus was a 6th-century Eastern Roman monk born in Scythia Minor. He was a member of a community of Scythian monks concentrated in Tomis, the major city of Scythia Minor. Dionysius is best known as the inventor of Anno Domini (AD) dating, which is used to number the years of both the Gregorian calendar and the (Christianised) Julian calendar. Almost all churches adopted his computus for the dates of Easter.
Annianus of Alexandria was a monk and writer who flourished in Alexandria during the pontificate of Theophilus I around the beginning of the 5th century.
A year zero does not exist in the Anno Domini (AD) calendar year system commonly used to number years in the Gregorian calendar ; in this system, the year 1 BC is followed directly by year AD 1. However, there is a year zero in both the astronomical year numbering system, and the ISO 8601:2004 system, the interchange standard for all calendar numbering systems. There is also a year zero in most Buddhist and Hindu calendars.
Dionysius Exiguus's Easter table was constructed in the year 525 by Dionysius Exiguus for the years 532–626. He obtained it from an Easter table attributed to Patriarch Cyril of Alexandria for the years 437–531. The latter was constructed around the year 440 by means of extrapolation from an Alexandrian Easter table constructed around the year 390 by Patriarch Theophilus of Alexandria. The great historical importance of Dionysius' Easter table is twofold:
The 0s began on January 1, AD 1 and ended on December 31, AD 9, 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.