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Courtesy of Chicago Daily News "On September 1, 1939, Germany invaded Poland. The Polish army was defeated within weeks of the invasion. From East Prussia and Germany in the north and Silesia and Slovakia in the south, German units, with more than 2,000 tanks and over 1,000 planes, broke through Polish defenses along the border and advanced on Warsaw in a massive encirclement attack. " Wiki - - NOTE: Crinkling and Paper loss at left edge.