138 BC
Centuries: 3rd century BC - 2nd century BC - 1st century BC Decades: 180s BC 170s BC 160s BC 150s BC 140s BC - 130s BC - 120s BC 110s BC 100s BC 90s BC 80s BC Years: 143 BC 142 BC 141 BC 140 BC 139 BC - 138 BC - 137 BC 136 BC 135 BC 134 BC 133 BC ---- 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.
- Sulla, Roman politician (approximate date)
- Diodotus Tryphon (suicide)