Nikolai Ivanovich Lobachevsky

Events

1

Episodes

1

Years

1826

Every event in Historedia whose sources name Nikolai Ivanovich Lobachevsky, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

1. Lobachevsky presents non-Euclidean geometry

   1826

   Role: Presenter

   1. 123 February 1826 · Kazan UniversityFirst Presentation of Hyperbolic Geometry

      Lobachevsky presented his non-Euclidean geometry to the physics and mathematics department at Kazan University on 23 February 1826, marking the first public presentation of his work.

Sources

1. Nikolai Lobachevsky Wikipedia, revision of 2026-09-16