The Battle of Vindonissa was fought in 298 or 302 between the

Imperial Roman army The Imperial Roman army was the military land force of the Roman Empire from about 30 BC to 476 AD, and the final incarnation in the long history of the Roman army. This period is sometimes split into the Principate (30 BC – 284 AD) and the Do ...

, led by Emperor

Constantius Chlorus Flavius Valerius Constantius "Chlorus" ( – 25 July 306), also called Constantius I, was Roman emperor from 305 to 306. He was one of the four original members of the Tetrarchy established by Diocletian, first serving as caesar from 293 t ...

, and the

Alemanni The Alemanni or Alamanni, were a confederation of Germanic tribes * * * on the Upper Rhine River. First mentioned by Cassius Dio in the context of the campaign of Caracalla of 213, the Alemanni captured the in 260, and later expanded into pres ...

. The Romans won the battle, fought in

Vindonissa Vindonissa (from a Gaulish toponym in *''windo-'' "white") was a Roman legion camp, vicus and later a bishop's seat at modern Windisch, Switzerland. The remains of the camp are listed as a heritage site of national significance. The city of Br ...

, strengthening Rome's defenses along the

Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , so ...

References

Vindonissa 298 Vindonissa 298 Military history of Switzerland 3rd century Ancient Switzerland 298 290s in the Roman Empire {{AncientRome-battle-stub