Flag of Japan ring around the red sun. It was later replaced by a flag that consisted of the 〒 postal mark in red on a white background. Two recently designed national flags resemble the Japanese flag. In 1971, Bangladesh gained independence from Pakistan, and it adopted a national flag that had a green background, charged with an off-centered red disc that contained a golden map of Bangladesh. The current flag, adopted in 1972, dropped the golden map and kept everything else. The Government of Bangladesh officially calls the red disc a circle; the red color symbolizes the blood that was shed to
Flag of Sudan Flag of Sudan The current flag of Sudan () was adopted on 20 May 1970 and consists of a horizontal red-white-black tricolour with a green triangle at the hoist. The flag is based on the Arab Liberation Flag shared by Egypt, Iraq, Syria and Yemen that uses a subset of the Pan-Arab colours in which green is less significant. Prior to the 1969 military coup of Gaafar Nimeiry, a blue-yellow-green tricolour design was used. According to "World Flags 101": In 1881, at the beginning of the Mahdist War, the Mahdi Muhammad Ahmad appointed Abdallahi ibn Muhammad as one of his