Battarius (AD 150s – After AD 170) was a barbarian child ruler in the Marcomannic War. He is mentioned in the ''Historia romana'' of

Cassius Dio Lucius Cassius Dio (), also known as Dio Cassius ( ), was a Roman historian and senator of maternal Greek origin. He published 80 volumes of the history of ancient Rome, beginning with the arrival of Aeneas in Italy. The volumes documented the ...

. Accordingly, Battarius went before

Marcus Aurelius Marcus Aurelius Antoninus ( ; ; 26 April 121 – 17 March 180) was Roman emperor from 161 to 180 and a Stoicism, Stoic philosopher. He was a member of the Nerva–Antonine dynasty, the last of the rulers later known as the Five Good Emperors ...

, and requested an alliance. The emperor granted his request. In return for

gold Gold is a chemical element; it has chemical symbol Au (from Latin ) and atomic number 79. In its pure form, it is a brightness, bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal ...

, Battiarus managed to succeed in restraining Tarbus, a neighbouring chieftain, who had come into

Dacia Dacia (, ; ) was the land inhabited by the Dacians, its core in Transylvania, stretching to the Danube in the south, the Black Sea in the east, and the Tisza in the west. The Carpathian Mountains were located in the middle of Dacia. It thus ro ...

threatening to make war unless Rome paid him gold.

Sources

, ''Historia romana'', Book
LXXII
Ancient child monarchs 2nd-century monarchs in Europe {{Europe-royal-stub