The Japanese flag is easy to recognise:
One red circle on a white background.
Everyone calls Japan “land of the rising sun” and the red circle represents the sun.
This flag is officially called Nisshouki/日章旗 which means “sun mark flag”.
The flag was only officially made the flag of Japan in 1999, although it had been used for much longer.
During the war, messages would be written on the flag and given to deployed soldiers.
A variation of the flag with red beams surrounding the circle is used by the military and navy.
This flag still has negative connotations from World War 2.
The Japanese government now doesn’t officially use this flag, but it is still used by the Japan Self-Defense Force.