Kasimir -

The most prominent "Kasimir" in modern history was a Russian avant-garde painter and art theorist. He is celebrated as the founder of , an art movement focused on basic geometric forms, such as circles, squares, and lines, painted in a limited range of colors.

: His most iconic work is the Black Square (1915), which he considered the "zero point of painting". Other famous works include White on White .

: Malevich’s philosophy stated that art should be "supreme" over representation; it shouldn't try to depict the real world but should instead evoke pure feeling through abstract shape. His work heavily influenced later movements like Minimalism. Polish Monarchs (The Piast and Jagiellon Dynasties) kasimir

: 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

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) The most prominent "Kasimir" in modern history was

: 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.

: Known for reuniting Poland after a period of internal collapse and pagan uprisings, earning him the title "the Restorer". Other famous works include White on White

The name was extremely popular among Polish royalty, with several leaders shaping the nation's history: