[4] Soon after it also appeared under the name Wrathenberc, when a local castellan on the trade route to Kalisz in Greater Poland was documented.

[4] In 1489 Matthias Corvinus took the town from Duke Konrad X the White and established the state country of Syców/Wartenberg enfeoffed to the Haugwitz noble family.

[5] In 1734 it was acquired by Ernst Johann von Biron, whose descendants held Wartenberg even after the Prussian annexation of Silesia in 1742, until they were expelled in 1945.

Despite increasing Germanisation by the German authorities, Poles still formed the majority of the county in the late 19th century.

After World War I, the Treaty of Versailles divided the county in half between Germany and the restored Polish state, leaving the town itself in the former.