'Between 1019 & 1919 there were at least 10 wars between Poland & this eastern neighbor'
Russia
WAR!: Between 1019 & 1919 there were at least 10 wars between Poland & this eastern neighbor
Between 1019 & 1919 there were at least 10 wars between Poland & this eastern neighbor
Between 1019 & 1919 there were at least 10 wars between Poland & this eastern neighbor
WAR!
Russia
WAR!