French submarine Perle
... that the French submarine Perle was sunk by Allied aircraft after being mistaken for a Nazi U-boat?
... that the <b id="mwCGw"><a href="./French_submarine_Perle_(1935)" id="mwCG0" rel="mw:WikiLink" title="French submarine Perle (1935)">French submarine <i id="mwCG4">Perle</i></a></b> was sunk by Allied aircraft after being mistaken for a Nazi <a href="./U-boat" id="mwCG8" rel="mw:WikiLink" title="U-boat">U-boat</a>?