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 Portugal during the Discoveries and frequently on ship sails. A green background version was a popular standard of the rebellious during the 1640 revolution that restored Portugal's independence from Spain. There are no registered sources to confirm that this was the origin of the republican colours. Another explanation gives full credit to the flag that was hoisted on the balcony of Porto's city hall during the 1891 insurrection. It consisted of a red field bearing a green disc and the inscription "Centro Democrático Federal «15 de Novembro»" (), representing one of many masonry-inspired republican clubs. Over the following 20 years, the