Kowalewko is a village in the administrative district of Gmina Kcynia, within Nakło County, Kuyavian-Pomeranian Voivodeship, in north-central Poland.
Four Polish citizens were murdered by Nazi Germany in the village during World War II.
Notable people Kowalewko is the birthplace of Mieczysław Rakowski, the last First Secretary of the Polish United Workers' Party and former Prime Minister of Poland from 1988 to 1989.
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