Sejny is a town in north-eastern Poland and the capital of Sejny County, in Podlaskie Voivodeship, close to the border with Lithuania and Belarus. It is located in the eastern part of the Suwałki Lake
Baroque Basilica of the Visitation in Sejny
Sejny Synagogue, known as the White synagogue
Sejny under German occupation during World War I
The Polish Military Organisation, PMO was a secret military organization that was formed during World War I. Józef Piłsudski founded the group in August 1914. It adopted the name POW in November 1914
Supreme command of the PMO in 1914
Logo of Związek Peowiaków
The Supreme Command of Polish Military Organisation, 1917
Józef Piłsudski with the Supreme Command of Polish Military Organisation in 1917