Hanging flag of the city of <a href="https://en.wikipedia.org/wiki/Damme_(D%C3%BCmmer)" class="extiw" title="en:Damme (Dümmer)">Damme</a>
<a href="//commons.wikimedia.org/wiki/User:J%C3%BCrgen_Krause" title="User:Jürgen Krause">Jürgen Krause</a>
granted on 22 October 1957
<a rel="nofollow" class="external text" href="http://www.damme.de/B%C3%BCrger-Stadt/Stadt/Stadtportrait/Wappen-und-Flagge">Wappen und Flagge</a>