World War II: The <a href="https://en.wikipedia.org/wiki/Royal_Air_Force" id="mwrw" rel="mw:WikiLink" title="Royal Air Force">Royal Air Force</a> launches 29 <a href="https://en.wikipedia.org/wiki/Avro_Lancaster" id="mwsA" rel="mw:WikiLink" title="Avro Lancaster">Avro Lancaster</a> bombers, which <a href="https://en.wikipedia.org/wiki/Operation_Catechism" id="mwsQ" rel="mw:WikiLink" title="Operation Catechism">sink</a> the German <a href="https://en.wikipedia.org/wiki/Battleship" id="mwsg" rel="mw:WikiLink" title="Battleship">battleship</a> <i id="mwsw"><a href="https://en.wikipedia.org/wiki/German_battleship_Tirpitz" id="mwtA" rel="mw:WikiLink" title="German battleship Tirpitz">Tirpitz</a></i>, with 12,000<span id="mwtQ" typeof="mw:Entity"> </span>lb <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Tallboy_bomb" id="mwtg" rel="mw:WikiLink" title="Tallboy bomb">Tallboy bombs</a> off <a href="https://en.wikipedia.org/wiki/Tromsø" id="mwtw" rel="mw:WikiLink" title="Tromsø">Tromsø</a>, Norway.