http://www.ftg-comic.com/2007/05/08/index.php

The Astute Frederick Reader will no doubt have noted by now that, whereas Frederick received his Chapeau de Temps sometime in the 1740s, he and Voltaire seem to be based in the 1770s. What happened to the intervening 30 years, the years in which the historical Frederick matured from a giggling flautist into the somber Prussian whose cynical political mind ruled Europe? For you, The Astute Frederick Reader, the day of answers is at hand.

– The Count and Geoff