Duras, 1st century AD was a Dacia

Dacia

In ancient geography, especially in Roman sources, Dacia was the land inhabited by the Dacians or Getae as they were known by the Greeks—the branch of the Thracians north of the Haemus range...

n king

King

- Centers of population :* King, Ontario, CanadaIn USA:* King, Indiana* King, North Carolina* King, Lincoln County, Wisconsin* King, Waupaca County, Wisconsin* King County, Washington- Moving-image works :Television:...

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Preceded by the Great King Burebista

Burebista

Burebista was a king of the Getae and Dacians, who unified for the first time their tribes and ruled them between 82 BC and 44 BC. He led plunder and conquest raids across Central and Southeastern Europe, subjugating most of the neighbouring tribes...

 and followed by Decebalus

Decebalus

Decebalus or "The Brave" was a king of Dacia and is famous for fighting three wars and negotiating two interregnums of peace without being eliminated against the Roman Empire under two emperors...

 The Great (originally named Diurpaneus)

In 85 and 86 A.D., king Duras ordered attacks into Roman province of Moesia

Moesia

Moesia was an ancient region and later Roman province situated in the Balkans, along the south bank of the Danube River. It included territories of modern-day Southern Serbia , Northern Republic of Macedonia, Northern Bulgaria, Romanian Dobrudja, Southern Moldova, and Budjak .-History:In ancient...

, south of the Danube

Danube

The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

. The attacks were lead by Decebalus

Decebalus

Decebalus or "The Brave" was a king of Dacia and is famous for fighting three wars and negotiating two interregnums of peace without being eliminated against the Roman Empire under two emperors...

. Emperor Domitian

Domitian

Domitian was Roman Emperor from 81 to 96. Domitian was the third and last emperor of the Flavian dynasty.Domitian's youth and early career were largely spent in the shadow of his brother Titus, who gained military renown during the First Jewish-Roman War...

 personally advanced into the province with legions and relief supplies, reorganized it, and planned the next campaign season an attack into Dacia

Dacia

In ancient geography, especially in Roman sources, Dacia was the land inhabited by the Dacians or Getae as they were known by the Greeks—the branch of the Thracians north of the Haemus range...

 that did not turn out well and suffered a major defeat when ambushed by the forces of Diurpaneus.
In about 87 A.D. king Duras knowingly offered the kingship to Diurpaneus as a recognition of his diplomatic, military and leadership skills.