I learned the other day that my current family history subject, Ezriel Kornmehl, had volunteered to serve in the Polish-Bolshevik War in 1921, and that he is listed in the Polish Officer's Year Book (as Esriel Kornmehl) for 1923 and 1924. I dutifully set out this morning to look into the details of his military service and to find out what exactly the Polish-Bolshevik war