World War II: <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Dambuster_Raids" id="mwzg" rel="mw:WikiLink" title="Dambuster Raids">Dambuster Raids</a> commence by <a href="https://en.wikipedia.org/wiki/No._617_Squadron_RAF" id="mwzw" rel="mw:WikiLink" title="No. 617 Squadron RAF">No. 617 Squadron RAF</a>.