Banner of <a href="https://en.wikipedia.org/wiki/Teutonic_Knights" class="extiw" title="en:Teutonic Knights">teutonic</a> town <a href="https://en.wikipedia.org/wiki/K%C3%B6nigsberg" class="extiw" title="en:Königsberg">Königsberg</a> in <a href="https://en.wikipedia.org/wiki/Battle_of_Grunwald" class="extiw" title="en:Battle of Grunwald">battle of Grunwald</a> (1410)
<a href="//commons.wikimedia.org/wiki/User:J_a1" class="mw-redirect" title="User:J a1">J a1</a>
2008-12-21
Own work by uploader/commons