21 September 2017
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Olomouc_CZ_CoA.png" title="File:Olomouc CZ CoA.png">Olomouc CZ CoA.png</a> ; Parts adapted from <a href="//commons.wikimedia.org/wiki/File:Flag_of_Olomouc_Region.svg" title="File:Flag of Olomouc Region.svg">Flag of Olomouc Region.svg</a>