Claudian legionary fort established at CarnuntumJan 1, 50Labels: Claudian fort, CarnuntumBritannicaCarnuntum
Vindobona legionary fortress built near modern ViennaJan 1, 100Labels: Vindobona, legionary fortressVindobona
Danube frontier strained by Antonine Plague and raidsJan 1, 166Labels: Antonine Plague, Danube raidsUNRVMarcomannic
Marcomannic Wars spur frontier fortification and logisticsMar 17, 180Labels: Marcomannic Wars, Danube fortsMarcomannicUNRV
Third-century invasions damage Pannonian and Moesian sectorsJan 1, 260Labels: Third-century crisis, Pannonia3rdC Invasions
Aurelian withdraws from Dacia north of DanubeJan 1, 271Labels: Aurelian, Dacia withdrawalDaciaDacia Aureliana
Dacia Ripensis created as a militarized river provinceJan 1, 285Labels: Dacia Ripensis, RatiariaDacia RipensisDacia Aureliana
Constantine opens a permanent Danube bridge at Oescus–SucidavaJul 5, 328Labels: Constantine, Oescus SucidavaBridgeCercet ri
Constantius II era commemorates frontier victory at CarnuntumJan 1, 355Labels: Constantius II, HeidentorHeidentorCarnuntum
Valentinian I intensifies Danube fort construction and upgradesJan 1, 375Labels: Valentinian I, Danube fortificationsAmmianusDanubian Limes