[Postcard] Marsylianka Wielkopolska. Song of the insurgents to commemorate the day of December 27, 1918. [Greater Poland Uprising]

Marsylianka Wielkopolska. Song of the insurgents to commemorate the day of December 27, 1918.
Postal card, size 14 x 8 cm.
Graphic of order with eagle in crown.

Postcard issued to commemorate the date of the 1918-1919 Greater Poland Uprising, which broke out on December 27, 1918. Poles demanded the return of the lands remaining under Prussian rule within the Poznan Province to Poland, already consolidating independence at that time. The insurrection ended with the success of Polish troops.