File:Polish infantry marching -2 1939.jpg

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Description	Polish infantry marching
Date	1939
Source	Apoloniusz Zawilski (1972) "Bitwy Polskiego Września" ("Battles of Polish September"), Warsaw: Nasza Księgarnia ISBN 83-218-0817-4 (current edition)
Author	Unknown
Permission ( Reusing this file)	PD-Polish

This image is in the public domain because according to the Art. 3 of copyright law of March 29, 1926 of the Republic of Poland and Art. 2 of copyright law of July 10, 1952 of the People's Republic of Poland, all photographs by Polish photographers (or published for the first time in Poland or simultaneously in Poland and abroad) published without a clear copyright notice before the law was changed on May 23, 1994 are assumed public domain in Poland.

This work is in the public domain in the United States because it meets three requirements:

it was first published outside the United States (and not published in the U.S. within 30 days)
it was first published before March 1, 1989 without complying with U.S. copyright formalities
it was in the public domain in its home country (Poland) on the URAA date (January 1, 1996).

To uploader: Please provide where and when the image was first published.

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The following pages on Schools Wikipedia link to this image (list may be incomplete):

Invasion of Poland

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