Kasimir -

: Known for reuniting Poland after a period of internal collapse and pagan uprisings, earning him the title "the Restorer".

: Widely considered one of Poland's greatest kings. He is famously said to have "found Poland made of wood and left it made of stone" because of his extensive castle-building and modernization projects. He also founded the Jagiellonian University , one of the oldest in the world. kasimir

The name (or Casimir) refers to several historically significant figures, most notably a pioneering Russian avant-garde artist and multiple influential Polish monarchs. Kazimir Malevich (1879–1935) : Known for reuniting Poland after a period

The name was extremely popular among Polish royalty, with several leaders shaping the nation's history: He also founded the Jagiellonian University , one

: A prince of the Jagiellon dynasty who was known for his exceptional piety, charity, and refusal of royal luxuries. He is the patron saint of Poland and Lithuania. Fictional: Kasimir Velikov