t;,"sans-serif"" lang="EN-US">The Paleo-Balkan
tribes of Thracians and Dacians ruled this area prior to the Roman
conquest. Belgrade was inhabited
by a Thraco-Dacian tribe Singi; after the Celtic invasion in 279 BC, the Scordisci took the city, naming it
"Singidūn" (dūn,
fortress). In 34-33BC the Roman
army led by Silanus reached Belgrade. It became the romanized Singidunum in the 1st century AD, and by the
mid-2nd century, the city was proclaimed a municipium by the Roman authorities, evolving
into a full fledged colonia (highest city class) by the end of the
century. Apart from
