Ostatnia Niedziela was written in 1935, with music by Jerzy Petersburski and lyrics by Zenon Białostocki, and became famous in Poland through Mieczysław Fogg. The tango later spread widely in the Soviet Union in a Russian version known as Utomlyonnoye Solntse, helping it survive long after the prewar era. Its reputation as a song of farewell and lost love has kept it in films, remakes and nostalgic posts for decades. Online, short excerpts are shared less as a full song and more as an instant signal of parting, memory and old world romance.