Anne Frank’s diary has hidden dirty jokes!

We all know Anne Frank and her legendary diary…except for the dirty jokes she hid in it.

Her diary is only available for study once every ten years, and during the most recent study period, researchers used new digital technology to peer behind some pages that Anne Frank had glued brown paper over. Behind those pieces of brown paper, were 2 full pages of classic dirty jokes that were popular at the time, as well as her thoughts on sex education.

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