Independence Day

In November 1918 Poland regained its independence. 

Józef Piłsudski

The Polish government was sworn in on November 18, 1918 with J. Moraczewski.
From the left: S. Thugutt, J. Moraczewski, K. Prauss (in the second row), 
J. Piłsudski, L. Supiński, L. Wasilewski, T. Nocznicki (standing in the first row).
They stand from the left: B. Ziemiecki, T. Arciszewski, and B. Stolarski (in a white coat)¹

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¹ https://pl.wikipedia.org/wiki/J%C3%B3zef_Pi%C5%82sudski#/media/File:Rzad_1918.jpg