File:2-Segunda-Guerra-Mundial.jpg - Wikimedia Commons

File:Lovaina, destrucciones I Guerra Mundial 3.jpg - Wikimedia Commons

File:B-17 at the National World War II Museum.JPG - Wikipedia

File:Wwiimemorial.jpg - Wikimedia Commons

File:USS Missouri (BB-63) flyover, Tokyo Bay, 2 September 1945 (520775).jpg - Wikipedia

File:Bundesarchiv Bild 101I-783-0110-12, Nordafrika, Panzer II, Kraftfahrzeuge.jpg - Wikipedia

File:EasternFrontWWIIcolage.png - Wikipedia

File:Schleswig Holstein firing Westerplatte September 1939.jpg - Wikimedia Commons

File:RIAN archive 602161 Center of Stalingrad after liberation.jpg - Wikipedia

File:Franklin Roosevelt signing declaration of war against Germany.jpg - Wikipedia

File:Bundesarchiv Bild 101I-031-2436-01A, Russland, Hinrichtung von Partisanen.jpg - Wikipedia