List of Roman legions
This is a list of Roman legions. These are mainly legions of the Roman Empire; earlier legions were not permanent named organizations.Comments added include life span of the legion, cause of disappearance (if relevant) and the original commander, meaning, the man who levied the legion.
- Legio I - referred to once as "I Germanica" – 48 BC to 70 AD (Batavian rebellion), Julius Caesar
- Legio I Adiutrix - 68 AD to (at least) 444 AD, Galba?
- Legio I Italica - September 22 66 AD to (at least) 5th century, Nero
- Legio I Macriana liberatrix – 68 to 69 AD, Lucius Clodius Macer, governor of Africa
- Legio I Minervia - 82 AD to (at least) 4th century, Domitian
- Legio I Parthica - 197 to early 6th century, Septimius Severus
- Legio II Adiutrix pia fidelis - 70 AD to (at least) 3rd century, Vespasian
- Legio II Augusta - 30s BC(?)
- Legio II Italica - 165 to beginning of the 5th century, Marcus Aurelius
- Legio II Parthica – 197 AD until, at least half of 4th century, Lucius Septimius Severus
- Legio II Traiana fortis - 105 AD to (at least) 5th century, Trajan
- Legio III Augusta – 43 BC to (at least) late 4th century, Augustus
- Legio III Cyrenaica – probably around 36 BC to (at least) 5th century, probably Marcus Antonius
- Legio III Gallica – around 49 BC to at least early 4th century, Julius Caesar
- Legio III Italica - around 49 BC to at least early 4th century, Marcus Aurelius
- Legio III Parthica - - around 197 to at least early 5th century, Lucius Septimius Severus
- Legio IV Flavia firma - see Legio IV Macedonica
- Legio IV Macedonica - 48 BC to 70 AD (disbanded by Vespasian), Julius Caesar
- Legio IV Scythica - around 42 BC to at least early 5th century, Marcus Antonius
- Legio V Alaudae, 52 BC to 70 AD (destroyed in the Batavian rebellion), Julius Caesar
- Legio V Macedonica
- Legio VI Ferrata
- Legio VI Victrix
- Legio VII
- Legio VII Gemina
- Legio VIII Augusta, 59 BC to 4th century AD - Caesar
- Legio IX Hispana - before 58 BC to around 160 AD, probably Julius Caesar
- Legio X Equestris – 58 BC to (at least) 5th century, Julius Caesar
- Legio X Fretensis
- Legio X Gemina - 58 BC to (at least) 5th century, Julius Caesar
- Legio XI - Octavian
- Legio XII Fulminata - Caesar
- Legio XIII Gemina - 57 BC to (at least) 5th century, Julius Caesar
- Legio XIV Gemina - Octavian
- Legio XV Apollinaris - Octavian
- Legio XV Primigenia - 39 to 70 AD (destroyed in the Batavian rebellion), Caligula
- Legio XVI - Octavian
- Legio XVI Flavia Firma
- Legio XVII - probably around 41 BC to 9 AD – destroyed in the battle of Teutonburg Forest, Augustus
- Legio XVIII - probably around 41 BC to 9 AD – destroyed in the Battle of Teutoburg Forest, Augustus
- Legio XIX - 41 or 40 BC to 9 AD (destroyed in the Battle of the Teutoburg Forest), Augustus
- Legio XX Valeria Victrix – probably around 25 AD to late 3rd century, Augustus
- Legio XXI Rapax - 31 BC to 92 AD (destroyed in Pannonia), Augustus
- Legio XXII Deotariana - 48 BC to ca 133 (destroyed in the jewish rebellion), Deiotarius
- Legio XXII Primigenia - 39 to (at least) 3rd century, Caligula
- Legio XXX Ulpia Victrix - 105 to early 5th century, Trajan
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