Saint Gaugericus Island
...that the irises of Saint Gaugericus Island became a symbol of Brussels, and the iris is now on the flag of the Brussels-Capital Region ?
...that the <a href="./Iris_(plant)" id="mwEXQ" rel="mw:WikiLink" title="Iris (plant)">irises</a> of <b id="mwEXU"><a class="mw-redirect" href="./Saint_Gaugericus_Island" id="mwEXY" rel="mw:WikiLink" title="Saint Gaugericus Island">Saint Gaugericus Island</a></b> became a symbol of <a href="./Brussels" id="mwEXc" rel="mw:WikiLink" title="Brussels">Brussels</a>, and the iris is now on the flag of the <a class="mw-redirect" href="./Brussels-Capital_Region" id="mwEXg" rel="mw:WikiLink" title="Brussels-Capital Region">Brussels-Capital Region</a> <i id="mwEXk">(pictured)</i>?