3 BC

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:	6 BC 5 BC 4 BC – 3 BC – 2 BC 1 BC AD 1

3 BC in other calendars

Gregorian calendar	3 BC II BC
Ab urbe condita	751
Ancient Greek era	194th Olympiad, year 2
Assyrian calendar	4748
Balinese saka calendar	N/A
Bengali calendar	−595
Berber calendar	948
Buddhist calendar	542
Burmese calendar	−640
Byzantine calendar	5506–5507
Chinese calendar	丁巳年 (Fire Snake) 2694 or 2634     — to — 戊午年 (Earth Horse) 2695 or 2635
Coptic calendar	−286 – −285
Discordian calendar	1164
Ethiopian calendar	−10 – −9
Hebrew calendar	3758–3759
Hindu calendars
- Vikram Samvat	54–55
- Shaka Samvat	N/A
- Kali Yuga	3098–3099
Holocene calendar	9998
Iranian calendar	624 BP – 623 BP
Islamic calendar	643 BH – 642 BH
Javanese calendar	N/A
Julian calendar	3 BC II BC
Korean calendar	2331
Minguo calendar	1914 before ROC 民前1914年
Nanakshahi calendar	−1470
Seleucid era	309/310 AG
Thai solar calendar	540–541
Tibetan calendar	阴火蛇年 (female Fire-Snake) 124 or −257 or −1029     — to — 阳土马年 (male Earth-Horse) 125 or −256 or −1028

Year 3 BC was a common year starting on Wednesday or Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Lentulus and Messalla.

Events

• King Maroboduus of the Marcomanni made a confederation of Germanic tribes, with the Hermunduri, Lombards, Semnoni and Vandals.
• Lucius Domitius Ahenobarbus leads the Roman army in Germania and crossed the Elbe

Births

• Seneca, Roman statesman (d. AD 65)
• Servius Sulpicius Galba, Roman Emperor (d. AD 69)

Deaths

• Imperial consort Fu of the Chinese Han Dynasty