138 BC

Centuries:	3rd century BC - 2nd century BC - 1st century BC
Decades:	160s BC 150s BC 140s BC - 130s BC - 120s BC 110s BC 100s BC
Years:	141 BC 140 BC 139 BC - 138 BC - 137 BC 136 BC 135 BC

138 BC by topic
Politics
State leaders - Sovereign states
Birth and death categories
Births - Deaths
Establishments and disestablishments categories
Establishments - Disestablishments v • d • e

**138 BC in other calendars**
Gregorian calendar	138 BC
Ab urbe condita	616
Armenian calendar	N/A
Bahá'í calendar	-1981 – -1980
Berber calendar	813
Buddhist calendar	407
Burmese calendar	-775
Chinese calendar	2499/2559 ([[Sexagenary cycle\|]]年) — to — 2500/2560 ([[Sexagenary cycle\|]]年)
Coptic calendar	-421 – -420
Ethiopian calendar	-145 – -144
Hebrew calendar	3623 – 3624
Hindu calendars
- Vikram Samvat	-82 – -81
- Shaka Samvat	N/A
- Kali Yuga	2964 – 2965
Holocene calendar	9863
Iranian calendar	759 BP – 758 BP
Islamic calendar	782 BH – 781 BH
Japanese calendar
Korean calendar	2196
Thai solar calendar	406
v • d • e

[edit] Events

Zhang Qian begins his explorations in central Asia for Chinese emperor Han Wu Di.
The first Chinese diplomatic mission to the Ferghana valley, led by Chang Chien.

Hymn to Apollo is written and inscribed on stone in Delphi; it is the earliest surviving notated music, in a substantial and legible fragment, in the western world.