Centuries: 2nd century BC - 1st century BC - 1st century
Decades: 130s BC 120s BC 110s BC - 100s BC - 90s BC 80s BC 70s BC 60s BC 50s BC
Years: 105 BC 104 BC 103 BC 102 BC 101 BC - 100 BC - 99 BC 98 BC 97 BC 96 BC 95 BC
- Tigranes I of Armenia is placed on Armenian throne by the Parthians in exchange for the cession of "seventy valleys". (approximate date)
- Quintus Caecilus Metellus Numidicus is banished from Rome, as the only senator not to support the land redistribution plan of Lucius Appuleius Saturninus, and goes to Rhodes to study philosophy.
- July 13 - Julius Caesar, Roman general and politician