1 BC

Millennium:	1st millennium BC
Centuries:	2nd century BC 1st century BC 1st century
Decades:	20s BC 10s BC 0s BC 0s 10s
Years:	4 BC 3 BC 2 BC 1 BC AD 1 AD 2 AD 3

1 BC in various calendars

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 (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 Thursday of the Proleptic Julian calendar. It is 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 1 AD in the widely used Julian calendar, which does not have a "year zero".

Events

By place

Roman Empire

• Emperor Augustus sent his stepson Gaius Caesar as army commander to the East and made a peace treaty with Phraates V on an island in the river Euphrates.
• Ovid writes the Ars Amatoria.

China

• Emperor, Ai of Han dies and is succeeded by his cousin Ping of Han, a boy who is nine years old. Wang Mang is appointed regent by the Grand Empress Dowager Wang.
• Former regent Dong Xian commits suicide.

By topic

Religion

• Birth of Jesus, in the religion of Christianity, was conceived 25 March and born on 25 December, as assigned by Dionysius Exiguus in his anno Domini era; according to most scholars, Dionysius used the word "incarnation", but it is not known whether he meant conception or birth. However, at least one scholar thinks Dionysius placed the incarnation of Jesus in the next year, AD 1. Most modern scholars do not consider Dionysius' calculations authoritative, themselves placing the event several years earlier (see Chronology of Jesus).

Deaths

• Dong Xian, a Han dynasty Chinese official under Emperor Ai of Han (b. 23 BC)
• Emperor Ai of Han (b. 27 BC)
• Empress Fu
• Empress Zhao Feiyan (b. 32 BC)

See also

• Year zero for the different conventions that historians and astronomers use for "BC" years