105 BC

Millennium:	1st millennium BC
Centuries:	3rd century BC – 2nd century BC – 1st century BC
Decades:	130s BC 120s BC 110s BC – 100s BC – 90s BC 80s BC 70s BC
Years:	108 BC 107 BC 106 BC – 105 BC – 104 BC 103 BC 102 BC

105 BC by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments

Events

October 6—The Battle of Arausio, where the Cimbri destroy two Roman armies on the Rhône, is the most severe defeat of Roman forces since the Battle of Cannae.
Gaius Marius, together with the consul Publius Rutilius Rufus, initiated sweeping reforms of the Roman army.
Lucius Cornelius Sulla secures the capture of Jugurtha. His success is made possible by the treachery of Bocchus I, king of Mauretania, and this ends the Jugurthine War (which has begun in 112 BC).

Marcus Aurelius Scaurus (d. 105 BC), Roman politician and general, executed as a prisoner of war in the advent of the battle of Arausio