the line of retreat (of withdrawl)
1Congress Poland — Kingdom of Poland Królestwo Polskie (pl) Царство Польское (ru) Tsarstvo Polskoye Real union with the Russian Empire, incorporated in 1832 and integrated in 1867 …
1Congress Poland — Kingdom of Poland Królestwo Polskie (pl) Царство Польское (ru) Tsarstvo Polskoye Real union with the Russian Empire, incorporated in 1832 and integrated in 1867 …