On 13 August 1949, in Užpelkiai Forest in northern Lithuania, on the border of the Grinkiškis and Baisogala rural districts in Radviliškis County, a battle by Lithuanian partisans that had a significant impact on the history of the Prisikėlimas (Resurrection) district took place. The leaders of the Lietuvos Laisvės Kovos Sąjūdis (Movement for the Struggle for Lithuania’s Freedom) operated in this district. Based on the approach of modern conflict archaeology, the authors of the article, helped by volunteers, determined the location of the Battle of Užpelkiai Forest (in the Grinkiškis rural district, Radviliškis County), and collected a lot of new archaeological and historical data, in order to reconstruct the progress of the attack by MGB (...