Summer – George Sand and Alfred de Musset begin a two-year affair, recorded in their respective novels Elle et lui (1859) and La Confession d'un Enfant du Siècle (1836).
September 15 – The English poet Arthur Henry Hallam, a close friend of Tennyson and engaged to be married to his sister Emily, dies suddenly of a brain haemorrhage in Vienna aged 22. This year in his memory Tennyson writes "Ulysses" (completed October 20; published in Poems of 1842), "Tithon" (an early version of "Tithonus") and "The Two Voices" (originally entitled "Thoughts of a Suicide"). He begins "Morte d'Arthur" (published 1842) and "Tiresias" (published 1885). In 1850 he will publish In Memoriam A.H.H.
Mrs Favell Lee Mortimer's instructional text The Peep of Day, or, A series of the earliest religious instruction the infant mind is capable of receiving appears in England. It will sell a million copies in 38 languages.[3]
Franz Bopp – Vergleichende Grammatik des Sanskrit, Zend, Griechischen, Lateinischen, Litthauischen, Altslawischen, Gotischen und Deutschen (Comparative Grammar of Sanskrit, Zend (Avestan), Greek, Latin, Lithuanian, Old Slavonic, Gothic and German, first part)