Anatolians served in the Roman Auxiliaries  As compiled in G.L. Cheeseman's 1914 work, The Auxilia of the Roman Imperial Army.  The full text can be examined here: https://www.gutenberg.org/ebooks/51769.  In 212 BC under the Emperor Caracalla, all freedmen in the Roman Empire became Roman citizens, effectively erasing the distinction between auxiliaries and legionaries.

ROMAN AUXILIARIES

GALATIA
Alae
Before AD 70
VII Phrygum served in Syria.

Cohorts
After AD 70
I Ulpia Galatarum served in Palestine.
II Ulpia Galatarum served in Palestine.
III Ulpia Galatarum served in Egypt.
I Ulpia Paflagonum ?
II Ulpia Paflagonum served in Syria.
III Ulpia Paflagonum served in Syria.

CILICIA
Cohorts
Before AD 70
I Cilicum served in Moesia Inferior.
II Cilicum ?
III Cilicum served in Egypt.

After AD 70
I Flavia Cilicum E.  served in Egypt.

SYRIA.
Alae
Before AD 70
Hamiorum served in Mauretania Tingitana.
I Augusta Parthorum served in Mauretania Caesariensis.
Parthorum V. ?

After AD 70
I Commagenorum served in Egypt—Noricum.

Cohorts
Before AD 70
I Antiochensium served in Moesia Superior.
I Apamenorum S. E. served in Egypt.
I Chalcidenorum E. served in Africa.
II Chalcidenorum served in Moesia Inferior.
III and IV Chalcidenorum ?
V Chalcidenorum served in Syria.
I Damascenorum served in Palestine.
I Hamiorum served in Britain.
II Hamiorum viii. ?
I Hemesenorum M. S. E. C. R. served in Pannonia Inferior.
I Sagittariorum served in Germania Superior—Dacia (?).
II Sagittariorum ?
III Sagittariorum ?
I Tyriorum served in Moesia Inferior.

After AD 70
I Flavia Canathenorum M. served in Raetia.
I Flavia Chalcidenorum S. E. served in Syria.
I Flavia Commagenorum served in Dacia.
II Flavia Commagenorum served in Dacia.
III, IV, and V Commagenorum ?
VI Commagenorum served in Africa.
I Flavia Damascenorum M. E. served in Germania Superior.
I Ulpia Sagittariorum E. served in Syria.
I Aelia Sagittariorum M. E. served in Pannonia Superior.
I Nova Surorum M. S. served in Pannonia Inferior.

COHORTES VOLUNTARIORUM AND OTHER REGIMENTS OF ROMAN CITIZENS.

This levy included not only free-born Roman citizens, ingenui, but also freedmen enrolled in cohortes voluntariorum.
I Ingenuorum C. R. ?
IV Voluntariorum C. R. served in Pannonia Superior.
VI Ingenuorum C. R. served in Germania Inferior.
VIII Voluntariorum C. R. served in Dalmatia.
XIII Voluntariorum C. R. ?
XV Voluntariorum C. R. served in Germania Inferior.
XVIII Voluntariorum C. R. served in Pannonia Superior.
XIX Voluntariorum C. R. 
XXIII Voluntariorum C. R. served in Pannonia Superior.
XXIV Voluntariorum C. R. served in Germania Superior.
XXVI Voluntariorum C. R. served in Germania Superior.
XXX Voluntariorum C. R. served in Germania Superior.
XXXII Voluntariorum C. R. served in Germania Superior.

The following regiments seem to have a similar character, although we know nothing concerning the occasion of their creation:

I Italica Voluntariorum C. R. ?
II Italica Voluntariorum C. R. M. served in Cappadocia.
I Campanorum Voluntariorum C. served in Dalmatia—Pannonia Inferior.

Lastly, a series of at least seven regiments bearing the inexplicable title of Campestris, of which only the following have left traces:

III Campestris served in Dacia.
VII Campestris served in Syria.

The following three regiments should perhaps be included in the same category:

Ala I C. R. served in Pannonia Inferior.
Cohors Apuleia C. R. served in Cappadocia.
Cohors I Lepidiana C. served in R. Moesia Inferior.

Wikipedia: "Roman legionaries were recruited from Roman citizens under age 45. They were first predominantly made up of recruits from Roman Italy, but more were recruited from the provinces as time went on. As legionaries moved into newly conquered provinces, they helped Romanize the native population and helped integrate the disparate regions of the Roman Empire into one polity. They enlisted in a legion for 25 years of service, a change from the early practice of enlisting only for a campaign. Legionaries were expected to fight, but they also built much of the infrastructure of the Roman Empire and served as a policing force in the provinces. They built large public works projects, such as walls, bridges, and roads. The legionary's last five years of service were on lighter duties. Once retired, a Roman legionary received a parcel of land in the region where he was stationed or its equivalent in money in which he was free to return home.  Retired legionaries often became a prominent member of society."

Traditionally, historians have argued that the Roman army began recruiting among Rome’s poor during the Marian reforms, around 105 BCE.

Giovanni Fusco.   https://qr.ae/pyKBzF

"During the early Republic and nearly up until the formation of the Empire under Augustus.  The Roman Legions of the Republic were mostly ‘Italians’ as in Romans/Latins, Samnites, Umbrians, Lucanians, Etruscans, and Palescans. However, the late Republican era saw the drafting of some troops from Hispania, The Provincia (Provence), and Illyria — but often these were Romans citizens who had settled in these regions. In terms of the Roman Empire, by the time of Marcus Aurelius, the legions began to see more ethnic diversity. Troops from Hispania, Cis-Alpina, Illyria, Numidia, and Syria were widespread — however, most of these were ‘Auxilluries’. the core-machine of the Roman Legion remained Italian bred Roman citizens of the ‘heartland’ (The Italian peninsula).  This finally changed during the decline of the Roman empire shortly after Emperor Constantine and the rise of Christianity in The Empire. ‘Foederati’ troops of Germanic, Dacian, and Scythian/Sarmatian origin were becoming ever more popular — especially Germanic and Gothic troops. This continued into the 5th century when a majority of the troops outside of Italian — and many even within were no longer ‘Italians’. However, many Centurions, Praetorians, and Legion commanders continued to be Italian. Though, it should be noted that during the decline and ‘split’ (Eastern and Western Empires) there were generals and even some emperors born outside of Italy and Greece such as ‘Zeno’, Constantine, and Aetius. The Eastern Empire had a majority of Greco-Anatolian troops supplemented by Syrian, Gothic, and Middle Eastern Auxiliaries."

The below List of the Legions of the Roman Empire comes entirely from the website www.unrv.com.  All credit should for this compilation goes to the site's creator.  The website is a valuable resource for  all things related to the Roman Republic and Empire.

Legio I Germanica (or Augusta)

One of the original 28 Augustan Legions

Foundation: Probably 48 BC by Julius Caesar. Raised in Italia. Also possibly raised by the Consul Pansa in 43 BC to aid Octavian against Antonius.  The emblem was likely the bull as this was the emblem of all the Caesarian legions.

Permanent Bases:

I. 9 AD Colonia Agrippinensis (Cologne, Germany)

II. 28 AD Bonna (Bonn, Germany)

Events:

48 BC: Possible campaigns with Caesar in the civil war include the battles of Dyrrachium and Pharsulus, but there is no solid complete evidence for this.

46 - 45 BC: Hispania: possible engagements against the holdout armies of Pompeius, including the battle of Munda.

43 - 42 BC: Possibly the Battles of Mutina (43 BC) and Phillippi in Italia (42 BC) with Octavian against Antonius.

38 - 36 BC: Campaigns against Sextus Pompeius, mainly in Sicilia.

25 - 13 BC: Hispania, campaign against the Cantabrians. At some point between the Pompeius and the Cantabrian campaigns it earned the cognoment Augusta but was stripped of it due to disloyal and minor mutinous behavior.

9 - 69 AD: Germania. During its time in Germania it earned the cognoment Germania under either Drusus or Germanicus.

69 AD: Supported Vitellius in his revolt against Galba and was later defeated by Vespanian. The legion was disbanded and never reconstituted at this point.

Legio I Adiutrix ("helper", later Pia Fidelis "loyal and faithful")

Foundation: Recruited from sailors at Misenum by Nero starting in 66 AD, but Nero died before formal acceptance. Formally established by Galba in 69 AD.  Its standard was the Capricorn.

Permanent Bases:

I. 70 - 86 AD: Moguntiacum, Germania (Mainz, Germany)

II. 86 - 100? AD: Brigetio, Pannonia (Szhony, Hungary)

III. 100? - 108 AD: Apulum, Dacia (Alba Iulia, Romania)

IV. 108 - 440 AD: Brigetio, Pannonia (Szhony, Hungary)

Events:

69 AD: Battle of Bedriacum (Civil War in support of Otho).

86 - 90 AD: Dacian/Sarmatian campaigns.

96 AD: Earned the name Pia Fidelis from Trajan for forcing Nerva to adopt him as Caesar.

101 - 106 AD: Dacian wars.

113 - 117 AD: Parthian campaign.

166 - 180 AD: Marcommanic wars.

193 - 195 AD: Civil war in support of Septimius Severus.

215 - 217 AD: Parthian campaign.

236 - 237 AD: Dacian War.

244 AD: Persian War.

259 AD: Defense of Italy against Alemanni.

Legio I Italica

Foundation: Recruited by Nero in 66 AD for his planned expedition against the Albani tribe along the Caspian Sea, which never took place. Its standard was the boar.

Permanent Bases:

I. 68 - 69 AD: Lugdunum, Gaul (Lyon, France)

II. 69 - 5th Century AD: Novae (near Svishtov, Bulgaria)

Events:

69 AD: First and second battles of Bedriacum (civil war, supporting Vitellius).

86 - 90 AD: Dacian-Sarmatian campaigns.

101 - 106 AD: Dacian wars.

166 - 180 AD: Marcommanic wars.

190's AD: Built the Limes Transalutanus fortifications along the Danube and Olt rivers.

Legio I Macriana Liberatrix ("Macer's Liberators")

Foundation: Formed by Lucious Clodius Macer, rebellious Governor of Africa, in 68 AD, to be used against Nero.

Events:

69 AD: Galba, distrustful of Macer and his new legion, ordered the death of the Legions commander and for it to be disbanded.

Legio I Minervia (later Pia Fidelis, "loyal and faithful")

Foundation: Formed by Domitian in 82 or 83 AD, and named for his favorite goddess, Minerva. Its standard was either the likeness of Minerva or a Ram, her zodiac sign.

Permanent Bases:

I. 83 - 5th Century AD: Bonna (Bonn, Germany)

II. Subunits served various stations all over Germania. During the reign of Septimius Severus (193 - 211), subunits garrisoned Lugdunum, Gaul (Lyon, France).

Events:

89 AD: Supported Domitian against the rebellion of Saturninus in Germania earning the name Flavia Pia Fidelis. Flavia, the family name of Domitian was dropped after his death in 96 AD.

101 - 106 AD: Fought in Trajan's Dacian wars, the later part of which was under the direct command of the future Emperor Hadrian.

162 - 166 AD: Served in Lucius Verus' Parthian campaigns.

193 - 195 AD: Supported Septimius Severus in the civil war.

260 - 274 AD: Served the breakaway Gallic empire.

351 - 353 AD: Defeated by the Franks and Bonna destroyed, but returned a few years later, remaining until the 5th century.

Legio I Parthica

Foundation: Founded in 197 AD by Septimius Severus for his campaign against the Parthians.

Permanent Bases:

I. 197 - 360 AD: Singara, Mesopotamia (Sinjar).

II. 360 - 5th Cent. AD: Nsibis, Mesopotamia.

Events:

197 - 198 AD: Parthian Campaign.

Legio II Adiutrix ("helper") Pia Fidelis

Foundation: Possible recruitment as early as 67 by Nero, but formally accepted by Vespasian in 70 AD. Recruited from marines stationed in Ravenna. Its standard was the capricorn and the pegasus.

Permanent Bases:

I. 71 - 77? AD: Lindum, Brittania (Lincoln)

II. 77? - 87 AD: Deva, Britannia (Chester)

III. 87 - 102 AD: Acumincum or Sirmium (Sremska Mitrovica), Pannonia

IV. 102 - 106 AD: Singidunum (Belgrade), Dacia

V. 106 - 5th C.: Aquincum (Budapest), Pannonia

Events:

70 AD: Suppressed the Batavian revolt of Julius Civilis at the battle of Xanten.

71 - 87 AD: In Britain, suppressed the Brigantes revolt under Venutius, and defeated the Ordivices including the occupation of the Isle of Mona (Anglesey).

102 - 106 AD: Fought in Trajan's Dacian campaigns.

117 - 136 AD: Various construction projects in Pannonia druing the reign of Hadrian including the road from Singidunum (Belgrade) to Aquincum (Budapest).

162 - 166 AD: Active in Lucius Verus' Parthian campaigns.

171 - 173 AD: Involved in Marcus Aurelius' Marcomanni wars and sustained heavy losses requiring reinforcements from Legio III in Africa.

193 - 195 AD: Supported Septimius Severus in the civil war.

238 AD: Likely fought with Gordian III against the Sassanids.

269 AD: Also likely campaigned with Claudius II against the Goths.

Legio II Augusta

One of the original 28 Augustan Legions.

Foundation: Likely formed by Consul Gaius Vibius Pansa and Octavian in 43 BC. Its standard was the capricorn and later awarded the pegasus under Vespasian.

Permanent Bases:

I. 25 - 13 BC: Hispania Tarraconensis (Spain), possibly Colonia Acci which the legion built.

II. 9 - 17 AD: Moguntiacum, Germania (Mainz, Germany)

III. 17 - 43 AD: Argentoratum, Germania (Strasbourg, Germany)

IV. 48 - 74? AD: Isca Dumnoniorum, Britannia (Exeter)

V. 74 - 139? AD: Isca Silurum, Britannia (Caerleon, Wales)

Events:

43 - 41 BC: Civil war in support of Octavian, fought against Antonian forces at Phillipi and Perugia.

25 - 13 BC: In Hispania fighting the Cantabrians and Asturians.

14 - 16 AD: Served under Germanicus in his Germanian campaigns.

43 AD: Invasion of Britannia under Claudius.

69 AD: Civil War in support of Vitellius, after defeated by Vespasian the legion was returned to Britain.

122 - 128 AD: Vexillations helped build Hadrian's Wall.

139 - 142 AD: Built the Antonine Wall.

155 - 158 AD: Widespread revolt in Britannia caused significant casualties requiring reinforcement from Legions in Germania.

196 AD: In support of Clodius Albinus were defeated by Septimius Severus in the civil war.

208 AD: Invasion of Caledonia (Scotland) under Severus.

407? AD: The final defense of Britain at Rutupiae (Richborough) and the withdrawal from Britannia.

Legio II Italica (Pia) (faithful)

Foundation: Founded in 165 or 166 AD by Marcus Aurelius for use in his campaigns against the Germanian Marcomanni tribe.

Its emblem was the she-wolf with the legendary founding brothers of Rome. Remus and Romulus. Perhaps this symbol was an indication of it being founded while both Marcus Aurelius and his brother Lucius Verus were co-emperors.

Permanent Bases:

I. 180 - 5th century AD: Lauriacum, Noricum (Lorch, Switzerland)

Events:

166 - 180 AD: Active in Marcus Aurelius Marcomannii campaigns and the securing of Noricum and Raetia provinces.

193 AD: Supported Septimius Severus in the civil war.

236 - 237 AD: Active in the Dacian Wars of Maximinus.

269 AD: Likely active with Clodius against the Goths.

300? AD: During the reign of Diocletian a sub-unit was transfered and established a base at Divitia (Deutz) near Cologne. It eventually became an independent legion, II Italica Divitensium, and was active in Constantine's march on Rome and the battle of the Milvian Bridge in 312 AD.

Legio II Parthica

Foundation: Founded in 197 AD by Septimius Severus for his campaign against the Parthians. Its standard was the Centaur.

Permanent Bases:

I. 202? AD: Albanum, Italia (near Rome)

Events:

197 - 198 AD: Parthian Campaign.

202 AD: Became the first permanent (non-Praetorian) legion to be stationed in Italia. It not only policed central Italia but acted as a strategic reserve to fill in the gaps when other legions were active in various campaigns.

208 - 211 AD: Britannian/Caledonian campaign of Septimius Severus.

213 AD: Served with Caracalla vs. the Alamanni.

214 - 214 AD: Active in the Parthian campaigns.

231 AD: Fought the Sassanids under Alexander Severus.

234 - 235 AD: Campaign against the Germanic Alamanni.

235 - 238 AD: Supported Maximinus vs. the Sarmatians in Pannonia and against a Senate revolt in Italia.

242 - 244 AD: Persian War.

Second half of the 3rd Century AD: Various assignments throughout the empire including Gallia, Palmyra, Thracia, Numidia and Cilicia.

312 AD: Served with Maxentius against Constantine and was likely disbanded after being defeated at the Milvian Bridge.

4th Century AD: A legion with the same name was stationed at Bezabde (Cizre), on the Tigris. After its failing to stop the Persians from capturing Bezsabde in 360 AD, II Parthica disappears from recorded history.

Legio II Traiana Fortis (Trajan's strong or brave legion)

Foundation: Founded in 105 AD by Trajan, needing reinforcements for his Dacian campaigns. The standard was the demi-god Hercules.

Permanent Bases:

I. 125 - 5th Century AD: Alexandria, Aegyptus.

Events:

105 - 106 AD: Trajan's Dacians campaigns, and was likely garrisoned on the Danube prior to transfer to Egypt.

115 - 117 AD: Parthian campaigns.

117 - 125 AD: Stationed in Judaea to quell Jewish resistance.

132 - 136 AD: Vexillations served with Hadrian against the Jews.

194 AD: Originally supporting Pescennius Niger against Septimius Severus, it switched sides and helped swing the course of history in Severus' favor.

213 AD: Fought with Caracalla against the Alamanni and seemed to have at least temporarily gained the cognomen Germanica.

260 - 268 AD: In the civil war vs. the breakaway Gallic empire, it served Gallienus against Posthumus but eventually was returned to Egypt when Aurelian re-conquered Gallia.

298 AD: Fought the Moors in Mauretania.

Remained in Egypt until the 5th Century AD stationed in such towns as Panospolis, Thebes, Syene and Pselchis. Its final known garrison being on the southern frontier guarding the Meroitic kingdom of Nubia.

Legio III Augusta

One of the original 28 Augustan Legions

Foundation: Recruited by Octavian and likely by Consul Gaius Vibius Pansa in 43 BC. Its emblem was the Pegasus.

Permanent Bases:

I. 30 BC - 75? AD: Ammaedara, Africa.

II. 75? - 98? AD: Theveste, Africa.

III. 98? - 5th cent. AD: Lambaesis, Africa.

Events:

43 - 36 BC: Supported Octavian (Augustus) against Antonius in the Civil war and may have been present and Philippi. Campaigned against Sextus Pompeius in Sicilia.

17 - 24 AD: Fought against Mauretanian and Numidian tribes organized under Tacfarinas.

18 AD: Legatus Lucius Apronius subjected III Augusta to decimation (the killing of every tenth soldier by their fellow legionaries) after a defeat to Tacfarinas.

69 AD: Under African Governor Clodius Macer, and with Legio I Macriana Liberatrix, revolted against Nero in favor of Galba. Galba disbanded Legio I and Legio III saw no action in the civil war that eventually saw Vespasian take the throne.

138 - 161 AD: During the reign of Antoninus Pius, III Augusta was involved in a lengthy ongoing war with Berber tribes.

193 AD: Awarded the title Pia Vindex (Faithful avenger) by Severus for supporting his claim to the purple. Severus oversaw the construction of a series of desert fortifications to control the Berbers.

238 AD: Active against Gordian I and II in a bid for the throne. Gordian III, winning the civil war, disbanded the legion as punishment.

253 AD: Reconstituted by Valerian and awarded the title Iterum Pia Iterum Vindex (Again faithful, again avenger).

253 - 260 AD: Fought against the "5 peoples" federation of Berber tribes.

289 - 297 AD: Under the command of Maximianus again campaigned against the Berbers.

Maintained Roman presence in North Africa through the 5th century.

Legio III Cyrenaica

One of the original 28 Augustan Legions

Foundation: Likely formed by Marcus Aemilius Lepidus or Marcus Antonius between 43 and 31 BC, as both men served as Governor of the province between those years. Possibly given the name Cyrenaica later as an award for service in the African province. The standard is unknown.

Permanent Bases:

I. 30 BC - 7? AD: Possibly Thebes, Aegyptus.

II. 7? - 106 AD: Alexandria, Aegyptus.

III. 106 - 119 AD: Bostra, Arabia.

IV. 119 - 125 AD: Alexandria, Aegyptus.

V. 125 - 5th Cent. AD: Bostra, Arabia.

Events:

26 - 25 BC: Vexillations involved in the Arabia Felix (Yemen), invasion.

24 BC: Repulsed the Nubian invasion of Egypt.

66 - 70 AD: War against the Jews and the siege of Jerusalem.

132 - 136 AD: Likely involved in suppressing the Jewish revolt in Judaea.

197 - 198 AD: Possibly involved in the Parthian campaigns.

215- 217 AD: Fought the Parthians in Caracalla's campaigns.

260 - 272 AD: Upon the capture and death of Valerian, the eastern provinces became independent. Palmyran Emperor Odenaethus and his wife Zenobia launched an invasion of Persia. The Emperor Aurelian eventually reconquered Palmyra and sent Legio III Cyrenaica back to Egypt.

Legio III Gallica

One of the original 28 Augustan Legions

Foundation: Founded by Julius Caesar in 49 or 48 BC, recruited for his effort against Pompeius Magnus and the Republicans.

Its standard was the bull.

Permanent Bases:

I. 58 - 66 AD: Ziata, Armenia.

II. 66 - 70 AD: Oescus, Moesia.

III. 70? - 219 AD: Raphanaea, Syria.

IV. 222? - 4th Century AD: Near Damascus, Syria.

Events:

48 BC: Battles of Dyrrhachium and Pharsalus.

45 BC: Battle of Munda.

42 BC: With Marcus Antonius fought the Republicans at Philippi.

41 BC: Retired veterans besieged and surrendered to Octavian at Perugia.

36 BC: Involved in Marcus Antonius Parthian campaign. Possibly saved the entire army through hard fighting during retreat.

20 BC: Under the command of Tiberius, retrieved the lost standards of Marcus Crassus from the Parthians that were captured in 53 BC.

58 AD: War in Armenia vs. the Parthians.

132 - 136 AD: Suppressed the Jewish revolt and besieged Jerusalem.

161 - 166 AD: Parthian campaigns of Lucius Verus.

197 - 198 AD: Likely involved in Severus' Parthian campaigns.

219 AD: Legio II revolted and was disbanded by Heliogabalus.

222 AD: Reconstituted by Severus Alexander.

Disappears from recorded history in about 320 AD.

Legio III Italica Concors (Harmonius)

Foundation: Founded by Marcus Aurlelius in 165 or 166 AD for his wars against the Germanic Marcomanni. Its emblem was the stork.

Permanent Bases:

I. 171 - 5th century AD: Regina Castra, Raetia (Regensburg, Germany)

Also active throughout the province of Raetia including Augusta Vindelicum (Augsburg, Germany)

II. 5th Century AD: with the collapse of the Danube frontier, was transferred to Illyricum.

Events:

166 - 180 AD: Responsible for securing Raetia and Noricum during M. Aurelius' Marcomanni campaigns.

213 AD: Caracalla's Alamanni campaign.

260 AD: Likely overrun by Germanic invaders who were in turn defeated by local militia. The Legion was reinforced, however.

273 AD: Campaigned with Aurelian against the breakaway Palmyric empire.

End of the 4th century AD: Divided into 6 vexillations responsible for guarding river passes against Germanic invaders in Illyricum. Was the twin legion of Legio III Herculia.

Legio III Parthica

Foundation: Founded in 197 AD by Septimius Severus for his campaign against the Parthians.

Permanent Bases:

I. Rhesaena, Mesopotamia

Events:

197 - 198 AD: Parthian Campaign of Severus.

Likely involved in the later eastern campaigns of Caracalla, Alexander Severus, Gordian, Philip and Valerian.

Legio IV Flavia Felix (Vespasian's fortunate)

Foundation: Reconstituted by Vespasian from IV Macedonica which was disgraced and disbanded during the Batavian revolt in 69 to 70 AD.  Gnaeus Julius Agricola (father-in-law of Tacitus) oversaw its reconstition.  Its symbol was the lion.

Permanent Bases:

I. 70? - 86 AD: Burnum, Dalmatia. (Kistanje)

II. 86-101/102 AD: Upper Moesia at Singidunum.

III. 102 - 117? AD: Dacia at Sarmizegethusa (Colonia Ulpia Traiana)

IV. 117? - late 4th Cent. AD: - Singidunum (Belgrade), Dacia.

Events:

102 - 106 AD: Fought in Trajan's Dacian campaigns.

138 - 161 AD: During the reign of Antoninus Pius, subunits sent to Mauretania to fight against the Moors.

166 - 180 AD: Marcus Aurelius' Marcommanic wars.

Legio IV Macedonica

One of the original 28 Augustan Legions

Foundation: Founded by Caesar in 48 BC for the Civil War against Pompey. Its symbol was the bull.

Legio IV Scythia

One of the original 28 Augustan Legions

Foundation: Founded by Marcus Antonius (Antony) after 42 BC. Possibly formed to be used in Antony's Parthian campaign or against nomadic Scythian incursions. Its emblem was the Capricorn.

Legio V Alaudae ("Larks" in Celtic)

One of the original 28 Augustan Legions

Foundation: Founded by Caesar in Transalpine Gaul in 52 BC (The first legion recruited outside Italy). Its symbol was the elephant.

Legio V Macedonica

One of the original 28 Augustan Legions

Foundation: Recruited in 43 BC by Consul Caius Vibius Pansa and Octavian. Its symbol was the bull, but seemed to use the eagle as well.

Legio VI Ferrata (Ironclad)

One of the original 28 Augustan Legions

Foundation: Founded by Caesar in 52 BC in Cisalpine Gaul. Its symbol was the bull.

Legio VI Victrix

One of the original 28 Augustan Legions

Foundation: Founded by Octavian in 41 BC, possibly from retired veterans of Caesar's legions. Like most Caesarean legions, its emblem was likely a bull.

Legio VII Claudia Pia Fidelis (Loyal and Faithful to Claudius)

One of the original 28 Augustan Legions

Foundation: Founded prior to 59 BC, likely as a Consular Legion. Was inherited by Caesar as governor of Gallia in 58 BC. Its symbol was the bull.

Legio VII Hispana (Later Gemina or "Twin")

Foundation: Founded by Servius Sulpicius Galba as Governor of Hispania in 68 AD. Recruited for his march on Rome after the death of Nero. Its emblem is unknown.

Legio VIII Augusta

One of the original 28 Augustan Legions

Foundation: Founded prior to 59 BC, likely as a Consular Legion. Was inherited by Caesar as governor of Gallia in 58 BC. Its symbol was the bull.

Legio IX Hispana

One of the original 28 Augustan Legions

Foundation: Founded prior to 59 BC, likely as a Consular Legion. Was inherited by Caesar as governor of Gallia in 58 BC. Its symbol is unknown, but likely was the bull.

Legio X Fretensis (Legion of the sea straights)

One of the original 28 Augustan Legions

Foundation: Founded in 41 BC by Octavian to be used in Sicily against Sextus Pompey. The standards of this legion were the bull, warship, dolphin and boar. Later, however (3rd Cent.) only the bull was used.

Legio X Gemina

One of the original 28 Augustan Legions

Foundation: Founded prior to 59 BC, likely as a Consular Legion. Was inherited by Caesar as governor of Gallia in 58 BC. Its symbol was the bull.

Legio XI Claudia Pia Fidelis (Loyal and Faithful to Claudius)

One of the original 28 Augustan Legions

Foundation: Likely founded by Caesar in 58 BC for his campaign against the Helvetians. Later reconstituted by Octavian in 42 BC. Its symbol may have been a bull but there is evidence of the sea god Neptune.

Legio XII Fulminata (The Lightning Legion)

One of the original 28 Augustan Legions

Foundation: Likely founded by Caesar in 58 BC for his campaign against the Helvetians. Later reconstituted by Lepidus and Antony in 43 BC. Its symbol may have been a bull but there is evidence of the thunderbolt.

Legio XIII Gemina

One of the original 28 Augustan Legions

Foundation: Formed by Caesar in 57 BC before his invasion of Belgica. Reconstituted by Octavian in 41 BC. Its standard was the lion.

Legio XIV Gemina

One of the original 28 Augustan Legions

Foundation: Formed by Caesar in 57 BC before his invasion of Belgica. Reconstituted by Octavian in 41 BC. Its standard was the capricorn.

Legio XV Apollinaris (Dedicated to Apollo)

One of the original 28 Augustan Legions

Foundation: Possibly formed by Caesar in 53 BC, but more likely founded by Octavian in 41 BC to be used against Sextus Pompeius in Sicily. The symbol is unknown but may have been the god Apollo.

Legio XV Primigenia ("First Born", a title of the goddess Fortuna)

Foundation: Founded by Gaius (Caligula) in 39 AD for his campaigns in Germania along with its twin legion XXII Primigenia.

Legio XVI Gallica

One of the original 28 Augustan Legions

Foundation: Founded in 41 BC by Octavian to be used in Sicily against Sextus Pompey.

Its emblem was the lion.

Legio XVI Flavia Firma (Steadfast Flavian Legion)

One of the original 28 Augustan Legions

Foundation: Reconstituted by Vespasian in 70 AD from XVI Gallica which was disgraced and disbanded during the Batavian revolt in 69 to 70 AD. Its standard was the lion.

Legio XVII

One of the original 28 Augustan Legions

Foundation: Possibly reconstituted from Marcus Antonius' (Antony) XVII Classica (Naval) but more likely founded by Octavian in 41 BC. Its standard is unknown.

Legio XVIII

One of the original 28 Augustan Legions

Foundation: Possibly reconstituted from Marcus Antonius' (Antony) XVIII Libyca but more likely founded by Octavian in 41 BC. Its emblem is unknown.

Legio XIX

One of the original 28 Augustan Legions

Foundation: Founded in 41 BC by Octavian to be used in Sicily against Sextus Pompey. Its standard is unknown.

Legio XX Valeria Victrix (Valiant and Victorious)

One of the original 28 Augustan Legions

Foundation: Formed by Augustus, likely after the Battle of Actium (31 BC) possibly incorporating veterans of other legions. Its symbol was the boar.

Legio XXI Rapax (Predator)

One of the original 28 Augustan Legions

Foundation: Formed by Augustus, likely after the Battle of Actium (31 BC) possibly incorporating veterans of other legions. Its emblem was the Capricorn.

Legio XXII Deiotariana (Deiotarus)

One of the original 28 Augustan Legions

Foundation: Founded in 48 BC by the Allied client King of Galatia, Deiotarus based on the Roman model. Incorporated in to the Legions by Augustus in 25 BC. Its symbol is unknown.

Legio XXII Primigenia ("First Born", a title of the goddess Fortuna)

Foundation: Founded by Gaius (Caligula) in 39 AD for his campaigns in Germania along with its twin legion XV Primigenia. Its emblems were Hercules and the capricorn.

Legio XXX Ulpia Victrix (Ulpian Victorious)

Foundation: Founded by Trajan in 105 AD for his war against the Dacians. Named for his family name of Ulpius and numbered XXX because it was the 30th active legion at the time. Its symbols were Neptune, Jupiter and the capricorn.