Konstanty Kalinowski
Konstanty Kalinowski, or Wincenty Konstanty Kalinowski (2 February [O.S. 21 January] 1838 – 22 March [O.S. 10 March] 1864), was a Polish–Lithuanian noble and one of the leaders of the 1863 January Uprising within the former Polish–Lithuanian Commonwealth. He is a national hero for Poles, Lithuanians, and Belarusians.