Decades: 180s BC 170s BC 160s BC 150s BC 140s BC - **130s BC** - 120s BC 110s BC 100s BC 90s BC 80s BC

Years: 144 BC 143 BC 142 BC 141 BC 140 BC - **139 BC** - 138 BC 137 BC 136 BC 135 BC 134 BC

- Hipparchus makes a very precise determination of the length of the synodic month

**Deaths**