If you've ever studied German (and maybe even if you haven't), you're likely to find this short essay to be hilarious. Published as Appendix D from Twain's 1880 book A Tramp Abroad, this comedic gem outlines the pitfalls one will encounter when trying to wrap one's mind around the torturous German cases, adjective endings, noun genders, and verb placement.
(Summary by Kara)