General
Population: Between 190 and 230 million*
- Technology: Earliest known paved streets - Rome (170 BC)
- Deaths: King Laman (178 BC), "Father of Latin Literature" Ennius of Rome (170 BC), Greek matematician Appolonius of Perga (170 BC)
Africa
- Egypt: Antiochys IV invades Egypt and captures Ptolemy VI - younger brother Ptolemy VII Euergetes made king (170 BC)
Antiochus withdraws and brothers reign jointly (170 BC)
Americas
- General: King Laman dies (Lamanite) (178 BC)
Asia
- China: Iron weapons and tools used widely (175 BC)
Hsiung-nu defeat the Yue Qu and dominate eastern steppes (170 BC)
Europe
- General: Third Macedonian War - Macedonians under Perseus attack and defeat Rome (172-171 BC)
- Greece: Perseus, son of Philip V of Macedonia, continues war with Rome until 167 BC (179 BC)
- Roman Empire: First stone bridge built in Rome - Pons Aemilius
Middle East
- Judaea: Antiochus Epiphanes (Selucid / Greek) rules Jews
- Persia: Antiochus IV Epiphanes becomes King of Seleucid Empire (175 BC)
Mithradates I becomes Parthian king (171 BC)
Parthinians begin to conquer Selucid kingdom (170 BC)