Propaganda art of Admiral Isoroku Yamamoto

Admiral Isoroku Yamamoto

Drawings of a type Cannard bomber project Henschel P.87

Henschel P.87

Polish poster by Tadeusz Trepkowski 1945. 
Grunwald 1410 (1st Battle of Tannenberg 1410, Polish and also Lithuanian and Russian knights victory over Teutonic Knights invaders.) - Berlin 1945 (Nazi defeat, were involved Polish Army bombing German Nazi forces from west, UK and Polish tanks crossing Third Reichs borders from east, Soviet Union). 02.05.1945 date of installing Polish flag on the top of Berlin victory column Siegessaule.
Poland is celebrating Flag Day on May 2nd.