Pro-independence Catalan leaders that flout the law are turning the question of independence into a counterproductive binary of good versus evil.
Catalonia will be celebrating its national day a year after a failed attempt to declare independence.
Puigdemont, granted bail after German judges ruled he could not be extradited on charges of "rebellion" brought by Spain also called for "the immediate release of all my colleagues in Spanish prisons".
Europe has been shaken by new political crises this year, with Catalan independence movement and Brexit raising fears that recent events may embolden separatists elsewhere on the continent.
The Biafran War ended in 1970 after more than a million people had been killed, mostly from starvation. But despite that, calls for secession remain strong in Nigeria's southeastern regions.
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