The Ludwik Zamenhof Centre entitled Bialystok of Young Zamenhof is the main tool for promotion of the work and the person of Ludwik Zamenhof. This multimedia exhibition based on listening, video, and photographic materials provides the recipients with an attractive way to explore the past. Not only is it a presentation of historical materials, but also an attempt to recreate the atmosphere of the times when young L. Zamenhof was strolling along the streets. The permanent exhibition is used as a substantial basis for numerous scripts of educational classes for children and teenagers. Esperanto – Libraro was opened on May 12, 2010 in the
1st Uhlans Regiment of Polish Legions "Stanisław Bończa", Stefan Kulesza "Hanka", Stanisław Skotnicki "Grzmot", Ludwik Skrzyński "Kmicic". In February and March 1917, cavalry courses (officers and non-commissioned officers) and multi-sealed courses appeared in the regiment. On August 10, 1917, the commander of the Polish Legions passed the command of the regiment to captain Albert Kordecki of the 2nd Cavalry Regiment Albertowi Kordeckiemu z 2 Pułku Ułanów. 1st Uhlans Regiment of Polish Legions 1st Uhlans Regiment of Polish Legions was a detachment of the Polish Legions during World War I. Uhlans of this unit were called "Beliniaki", which was taken from the surname of their original leader,