On 11 February 1826, in the session of the Department of Physico-Mathematical Sciences at Kazan University, Lobachevsky requested that his work about a new geometry was heard and his paper A concise outline of the foundations of geometry was sent to referees.
Sa 11 Pebrero 1826, sa sesyon ng Kagawaran ng Physico-matematiko Sciences at Kazan University, Lobachevsky hiniling na ang kanyang trabaho tungkol sa isang bagong geometry ay narinig at ang kanyang papel Isang maigsi outline ng mga komunidad ng geometry ay ipinadala sa referees.