51 BC

Year 51 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Marcellus and Sulpicius.

Events
 Pompey demands that Julius Caesar end his command 
 Cleopatra VII and her younger brother Ptolemy XIII begin co-rule of Egypt
 The Hsiung-nu split into two hordes

 Births 

 Publius Sulpicius Quirinius, Roman governor of Syria (d. 21 AD)
 Cheng, Emperor of the Han Dynasty of China (d. 7 BC)

 Deaths 

 Pharaoh Ptolemy XII of Egypt (b. 117 BC)
 Posidonius of Apamea, Greek philosopher, astronomer, geographer (b. c. 135 BC)

Category:50s BC