Year 1 BC/BCE was a leap year starting on Thursday of the 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 BC1st century BC1st century
Decades: 30s BC  20s BC  10s BC  – 0s BC –  0s  10s  20s
Years: BC BC BCBCAD 1 AD 2 AD 3
1 BC in other calendars
Gregorian calendar1 BC
N
Ab urbe condita753
Ancient Greek era194th Olympiad, year 4
Assyrian calendar4750
Balinese saka calendarN/A
Bengali calendar−593
Berber calendar950
Buddhist calendar544
Burmese calendar−638
Byzantine calendar5508–5509
Chinese calendar己未(Earth Goat)
2696 or 2636
    — to —
庚申年 (Metal Monkey)
2697 or 2637
Coptic calendar−284 – −283
Discordian calendar1166
Ethiopian calendar−8 – −7
Hebrew calendar3760–3761
Hindu calendars
 - Vikram Samvat56–57
 - Shaka SamvatN/A
 - Kali Yuga3100–3101
Holocene calendar10000
Iranian calendar622 BP – 621 BP
Islamic calendar641 BH – 640 BH
Javanese calendarN/A
Julian calendar1 BC
N
Korean calendar2333
Minguo calendar1912 before ROC
民前1912年
Nanakshahi calendar−1468
Seleucid era311/312 AG
Thai solar calendar542–543
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 change

Births change

Deaths change

for more information, see Category:1 BC deaths.