Today was commemorative event honoring the heroes of the battle on the river Trubizh January 31 (February 4-5) 1919. Battle was between Ukrainian home guardsmen from Boryspil', Baryshivka and Voronkov from one side, and Bolsheviks army from other side under command of Antonov-Ovseyenko which tried to capture Kyiv.
In Internet only can be found articles about this battle only in Ukrainian language. Here is one of such articles https://svoboda-news.com/svwp/героїчний-бій-на-річці-трубіж/..убіж/