Flag of the municipality of <a href="https://en.wikipedia.org/wiki/Wangen_an_der_Aare" class="extiw" title="w:Wangen an der Aare">Wangen an der Aare</a>, <a href="https://en.wikipedia.org/wiki/Canton_of_Bern" class="extiw" title="w:Canton of Bern">Canton of Bern</a>, <a href="https://en.wikipedia.org/wiki/Switzerland" class="extiw" title="w:Switzerland">Switzerland</a>
<div style="display:inline-block;padding:0 3px;background-color:#CCF">Original:</div> <div style="display:inline-block;padding:3px 0;">Hans Jenni</div> <div style="display:inline-block;padding:0 3px;background-color:#CCF">Vector: </div> <div style="display:inline-block;"><a href="//commons.wikimedia.org/wiki/User:Perhelion" title="User:Perhelion">Perhelion</a>, <a href="//commons.wikimedia.org/wiki/User:ARK" title="User:ARK">ARK</a></div>
The flag is used as flag of the city since the 14<sup>th</sup> century
<p>Own work based on: 
</p>
<ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120305104321/http://www.wangen-a-a.ch/">Wangen-a-A.ch</a></li>
<li><a rel="nofollow" class="external text" href="https://www.heraldry-wiki.com/heraldrywiki/index.php?title=Wangen_an_der_Aare">Wangen an der Aare</a>, <i>Heraldry of the World</i>.</li></ul>