Centuries: 3rd century BC - 2nd century BC - 1st century BC

Decades: 220s BC 210s BC 200s BC 190s BC 180s BC - 170s BC - 150s BC140s BC 130s BC 120s BC 110s BC

Years: 181 BC 180 BC 179 BC 178 BC 177 BC - 176 BC - 175 BC 174 BC 173 BC 172 BC 171 BC

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Birth

Death

• Cleopatra I of Egypt
• Seleucus IV Philopator, king of Syria

Events

• Ptolemy VI becomes sole ruler of Egypt