That's Rising Sun Flag, only naval and war flag of Japan used in World War II, not state flag. Japanese state flag is white with red circle in the center so I think it's historical.DCyDe said:and the austrian and japanese flags you are using were also made after the second world war
the japanese:
http://www.geschichteinchronologie.ch/as/china/China-05/033-flagge-kriegsflagge-Japan-1889-1945.gif