Centuries:	2nd century BC - 1st century BC - 1st century
Decades:	30s BC  20s BC  10s BC - 0s BC - 0s  10s  20s
Years:	7 BC 6 BC 5 BC - 4 BC - 3 BC 2 BC 1 BC

4 BC by topic

Politics

State leaders - Sovereign states

Birth and death categories

Births - Deaths

Establishments and disestablishments categories

Establishments - Disestablishments v • d • e

4 BC in other calendars

Gregorian calendar	4 BC
Ab urbe condita	750
Armenian calendar	N/A
Bahá'í calendar	-1847 – -1846
Berber calendar	947
Buddhist calendar	541
Burmese calendar	-641
Byzantine calendar	5505 – 5506
Chinese calendar	丙辰年 (2633/2693) — to — 丁巳年 (2634/2694)
Coptic calendar	-287 – -286
Ethiopian calendar	-11 – -10
Hebrew calendar	3757 – 3758
Hindu calendars
- Vikram Samvat	52 – 53
- Shaka Samvat	N/A
- Kali Yuga	3098 – 3099
Holocene calendar	9997
Iranian calendar	625 BP – 624 BP
Islamic calendar	644 BH – 643 BH
Japanese calendar
Korean calendar	2330
Thai solar calendar	540
v • d • e

Year 4 BC was a common year starting on Monday (link will display the full calendar) of the Julian calendar.

Events

By place

Rome

• Archelaus becomes ethnarch of Judea. Herod Antipas becomes tetrarch of Galilee and Perea.

Births

• Jesus – Due to 4 BC being the year of King Herod's death, it is usually cited by modern historians as being the last possible birth year of Jesus (d. circa 30 AD). Jesus' birthday was probably not December 25 as celebrated; some believe it to have been in September, while others point to April 17.^who?

Deaths

• Herod the Great
• Marcus Tullius Tiro, freedman of Cicero