Decades: 170s BC 160s BC 150s BC 140s BC 130s BC - **120s BC** - 110s BC 100s BC 90s BC 80s BC 70s BC

Years: 125 BC 124 BC 123 BC 122 BC 121 BC - **120 BC** - 119 BC 118 BC 117 BC 116 BC 115 BC

**Deaths**

- Hipparchus, Greek astronomer and mathematician, on Rhodes (approximate date).
- Polybius, Greek historian.