Polish 19th Infantry Division was formed was formed in 1923, from three regiments of the divisions that had previously formed armed forces of the Republic of Central Lithuania. Originally, it consisted of the following infantry regiments: * 85th Wilno Regiment (formerly part of the 1st Lithuanian-Belarusian Division), * 86th Minsk Regiment (formerly part of the 1st Lithuanian-Belarusian Division), * 77th Kowno Regiment (formerly part of the 2nd Lithuanian-Belarusian Division.