<a href="https://en.wikipedia.org/wiki/Jean-Pierre_Blanchard" class="extiw" title="w:Jean-Pierre Blanchard">Jean-Pierre Blanchard</a> in <a href="https://en.wikipedia.org/wiki/Braunschweig" class="extiw" title="w:Braunschweig">Braunschweig</a>, Germany, August 10, 1788. Balloon.
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Unknown author<span style="display: none;">Unknown author</span></div>
circa 1788 <div style="display: none;">date QS:P571,+1788-00-00T00:00:00Z/9,P1480,Q5727902</div>
Paul Raabe: … in mein Vaterland zurückgekehrt: Adolph Freiherr Knigge in Hannover 1787−1790. Wallstein Verlag, Göttingen 2002