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Updated:Apr 23, 2026
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Trajanic Expansion: Conquests under Trajan (98–117 CE)

Trajanic Expansion: Conquests under Trajan (98–117 CE)

  1. Trajan assumes imperial power and prepares Danube war

    Labels: Trajan, Danube frontier
  2. First Dacian War begins across the Danube

    Labels: Dacia, Decebalus
  3. Roman victory at Tapae in first campaign

    Labels: Tapae, Roman army
  4. Battle of Adamclisi secures Roman position

    Labels: Adamclisi, Roman legions
  5. First Dacian War ends in a forced peace

    Labels: Decebalus, Peace treaty
  6. Construction of Trajan’s Bridge begins

    Labels: Trajan's Bridge, Roman engineers
  7. Second Dacian War launched after treaty breakdown

    Labels: Second Dacian, Decebalus
  8. Trajan’s Bridge completed, enabling rapid invasion

    Labels: Trajan's Bridge, Danube logistics
  9. Dacia conquered and organized as a Roman province

    Labels: Dacia province, Decebalus
  10. Nabataean kingdom annexed as Arabia Petraea

    Labels: Nabataea, Arabia Petraea
  11. Trajan opens war with Parthia over Armenia

    Labels: Parthia, Armenia
  12. Trajan’s Column inaugurated in Trajan’s Forum

    Labels: Trajan's Column, Trajan's Forum
  13. Armenia annexed as a Roman province

    Labels: Armenia province, Roman administration
  14. Diaspora Revolt strains Trajan’s eastern occupation

    Labels: Diaspora Revolt, Lusius Quietus
  15. Northern Mesopotamia conquered and provincialized

    Labels: Mesopotamia, Roman province
  16. Assyria created as a short-lived Roman province

    Labels: Assyria province, Trajan
  17. Ctesiphon taken and Parthian client king installed

    Labels: Ctesiphon, Parthamaspates
  18. Trajan dies while returning from the eastern front

    Labels: Trajan, Selinus Cilicia