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Decebalus (c. 87-106 CE) was the king of Dacia (roughly modern-day Romania and Moldova) who fought two wars with Rome under Trajan (in 101-102 CE and 105-106 CE) in defense of his kingdom. Trajan (r. 98-117 CE) was renewing a conflict between...

The ancient city of Aquileia was situated near the head of the Adriatic Sea west of the Roman province of Illyria. The strategic location of the city served a crucial role in the expansion of the Roman Republic by serving as a buffer against...

This map illustrates the extensive travels of Emperor Hadrian across the Roman Empire between 121 and 125 CE, reflecting his hands-on approach to governance and defense. During this period, he visited key frontiers, reinforced imperial infrastructure...

The Battle of Austerlitz (2 December 1805), or the Battle of the Three Emperors, was one of the most significant battles of the Napoleonic Wars (1803-1815). It saw French Emperor Napoleon I (r. 1804-1814; 1815) and his Grande Armée decisively...

The Mongol invasions of Russia and Eastern Europe occurred first with a brief sortie in 1223 CE and then again in a much larger campaign between 1237 CE and 1242 CE. The Mongols, seemingly coming from nowhere and quickly gaining a reputation...

The Battle of the Catalaunian Fields (also known as The Battle of Chalons, The Battle of Maurica) was one of the most decisive military engagements in history between the forces of the Roman Empire under Flavius Aetius (391-454 CE) and those...

The Column of Marcus Aurelius and Faustina which stands in Piazza Colonna in Rome is thought to have been erected by Commodus in memory of his father and mother sometime around 180 CE. The column was inspired by its more famous predecessor...

No other Roman emperor travelled as much as Hadrian (r. 117-138 CE). The 'restless' emperor spent more time travelling than in Rome, devoting half of his 21-year reign to the inspection of the provinces. His travels provided him with the...

The Year of the Four Emperors (69 CE) was a brief period of political upheaval and civil war in the Roman Empire. In the aftermath of the death of Emperor Nero, four men – Galba, Otho, Vitellius, and Vespasian – were recognized as emperor...

Marcus Aurelius (r. 161 to 180 CE) was a Roman emperor best known as the last of the Five Good Emperors of Rome (following Nerva, Trajan, Hadrian, and Antoninus Pius) and as the author of the philosophical work Meditations. Although it has...