olor:black" lang="EN-US">was elected
Roman
Emperor by the Danubian legions
in Ptuj, and the first written mention of the city of Ptuj is from the same
year. The city of Poetovio was the base-camp of Legio XIII Gemina in Pannonia. The name originated in the times of EmperorTrajan, who granted the settlement city status and
named it
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