The arms were officially granted in 1928.
„The lion is the lion of the County of Jülich, to which the city historically belonged. The arms are based on a 14th century seal of the town."
Unknown<span style="display: none;">Unknown </span> - constructed and added by <a href="//commons.wikimedia.org/wiki/User:Juergenk59" class="mw-redirect" title="User:Juergenk59">Jürgen Krause</a>
<p><a rel="nofollow" class="external text" href="http://www.duelken.de/Geschichte/Fahnen/Doelker_Fahne.htm">Wappen und Fahne der Stadt Dülken</a>
</p>
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