On this day, July 11 1960, as a part of the Congo Crisis, Katanga declared independence from Congo-Léopoldville (DRC). This was their flag. (upload.wikimedia.org)
en.wikipedia.org/wiki/State_of_Katanga

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en.wikipedia.org/wiki/State_of_Katanga
en.wikipedia.org/…/Day_of_the_Flemish_Community
It is often said that a flag should not have more than three, maybe four colors, but I think South Sudan does quite well with six colors.
Wikipedia page about the flag
Wikipedia page...
The five stars originally represented the five provinces. However, the province division has been redrawn since, but they still kept the five stars....