<a href="https://en.wikipedia.org/wiki/World_War_II" id="mwtg" rel="mw:WikiLink" title="World War II">World War II</a>: The first <a href="https://en.wikipedia.org/wiki/Bombing_of_Berlin_in_World_War_II" id="mwtw" rel="mw:WikiLink" title="Bombing of Berlin in World War II">Bombing of Berlin</a> by the <a href="https://en.wikipedia.org/wiki/United_Kingdom" id="mwuA" rel="mw:WikiLink" title="United Kingdom">British</a> <a href="https://en.wikipedia.org/wiki/Royal_Air_Force" id="mwuQ" rel="mw:WikiLink" title="Royal Air Force">Royal Air Force</a>.