51 BC

Centuries: 2nd century BC – 1st century BC – 1st century

Decades: 100s BC 90s BC 80s BC 70s BC 60s BC – 50s BC – 40s BC 30s BC 20s BC 10s BC 0s BC

Years: 56 BC 55 BC 54 BC 53 BC 52 BC 51 BC 50 BC 49 BC 48 BC 47 BC 46 BC

Events

• Spring – Pharaoh Ptolemy XII of Egypt dies and is succeeded by his eldest surviving daughter Cleopatra VII of Egypt and her younger brother and co-ruler Ptolemy XIII of Egypt.
• The Hsiung-nu split into two hordes. The Eastern horde is subject to China.

Births

• Publius Sulpicius Quirinius, Roman governor of Syria

Deaths

• Spring – Pharaoh Ptolemy XII of Egypt.
• Posidonius of Apamea, Greek philosopher, astronomer, geographer