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Wiki information Olszak:
Dr. Wacław Olszak was a Polish physician, activist and politician from the region of Zaolzie, Czechoslovakia. He was a mayor of the town of Karviná for seven years. Ten days after outbreak of World War II he was murdered by Nazis. Olszak was born in...
Olszak is a village in the administrative district of Gmina Pułtusk, within Pułtusk County, Masovian Voivodeship, in east-central Poland.