You can help expand this article with text translated from the corresponding article in Polish. (January 2024) Click [show] for important translation instructions. View a machine-translated version of the Polish article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Polish Wikipedia article at [[:pl:Kazimierz Klimczak]]; see its history for attribution. You may also add the template {{Translated|pl|Kazimierz Klimczak}} to the talk page. For more guidance, see Wikipedia:Translation.

Kazimierz Klimczak (15 February 1914 – 14 July 2023) was a Polish soldier. He turned 100 on 15 February 2014, and died on 14 July 2023, at the age of 109.^[1] At the time of his death, he was the oldest living Warsaw Uprising veteran and the oldest living man in Poland.

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