For our GCSE History, all classes only ever studied three time periods: the Russian Revolution, the rise of the Nazis, and strangely enough, the Conserative Government of Lord Balfour, 1901 - 1903. Anyways, the textbook used for the rise of the Nazis was passed from year to year, and on the very first page was a picture of Adolf Hitler as a baby. And of course, there was not a single copy of the book that didn't have a little Hitler moustache drawn on the baby. Even the girls felt compelled to do it. I think showing that picture to the voting German public in the 30s could have prevented the rise of Fascism.