Why Famous: One of the Brothers Grimm, along with his younger brother Wilhelm Grimm, authors of the famous collection "Grimm's Fairy Tales", first published in 1812 with 86 stories. By the seventh edition in 1857 211 stories were included. From the brothers' collecting of old folk tales has come the popularity of the such tales as "Sleeping Beauty", "Snow White and the Seven Dwarfs", "Rapunzel" and "Rumpelstiltskin".
During his lifetime Jacob Grimm was more generally an academic and lexicographer. Together with his brother Wilhelm, Jacob was the instigator of the mammoth "Deutsches Wörterbuch" the largest German dictionary ever complied. Begun in 1838, it was published in parts from 1852. Unfinished at the brothers' death it was finally completed by later scholars in 1961.
Jacob Grimm is also the author of Grimm's Law, the First Germanic Sound Shift. First observed by Rasmus Christian Rask, Grimm was the first to fully publicize it.
- 1812-12-20 "Grimm's Fairy Tales" or "Children's and Household Tales" by Jacob Grimm and Wilhelm Grimm is first published
- 1837-11-18 Letter by Göttingen Seven published protesting abolition of constitution of Kingdom of Hanover, by seven professors including Jacob and Wilhelm Grimm
- 1838-08-29 Jacob and Wilhelm Grimm announce their intention to publish a German Dictionary, eventually completed in 1961, after 123 years
- 1852-05-01 Jacob and Wilhelm Grimm publish the first part of their German Dictionary (fully completed 1961)