1 BC

Year 1 BC/BCE was a leap year starting on Thursday in the proleptic Julian calendar. Some sources list it as a common year starting on either Friday or Saturday. At the time, it was known as the Year of the Consulship of Lentulus and Piso.

Millennium:	1st millennium BC
Centuries:	2nd century BC – 1st century BC – 1st century
Decades:	30s BC  20s BC  10s BC  – 0s BC –  0s  10s  20s
Years:	4 BC 3 BC 2 BC – 1 BC – AD 1 AD 2 AD 3

1 BC in other calendars

Gregorian calendar	1 BC N
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) 2696 or 2636     — to — 庚申年 (Metal Monkey) 2697 or 2637
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 N
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

Events

• Emperor Augustus made a peace treaty with Phraates V
• Ovid writes the Ars Amatoria
• Ping of Han becomes Emperor of China
• December 25 - Birth of Jesus as given by Dionysius Exiguus

Births

• Ptolemy of Mauretania (d. AD 40)
• Jesus Christ (b. 6 April 1BC d. AD 33)

Deaths

for more information, see Category:1 BC 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)