Bolesław Kajetan Kołyszko alias Rutkowski, Szyszka (Lithuanian: Boleslovas Kajetonas Kolyška; 1838[1] – 9 June [O.S.

[6] Kołyszko led his 400 men strong regiment[5][6] in fights against units of the Imperial Russian Army at Aukštdvaris on March 29–30.

[7] By Zygmunt Sierakowski's order, he led a rebel column - two battalions and a cavalry unit that fought in the battle of Biržai.

One of them called Przeszły troski i frasunki... ("Troubles and sorrows are gone...") is dated 28 March 1863, the authorship of it is attributed to Vilnius-born poet Jerzy Laskarys [pl].

Kołyszko is portrayed in it as a revolutionary folk leader:[11] His remains were found in 2017 during the works designed to strengthen Gediminas' Mountain [lt].

On 22 November 2019, the remains were solemnly buried in the Columbarium of the Rasos Cemetery Chapel [lt] in Vilnius.