The Comorian parliament declared independence from France after a referendum in which three of the four main islands voted overwhelmingly to separate, while Mayotte chose to stay under French administration. The unilateral declaration angered Paris and set off decades of dispute over Mayotte's status, which remains a French overseas territory to this day, unrecognized as such by the African Union.
A 1974 referendum across the Comoro Islands, then a French overseas territory in the Indian Ocean between Madagascar and the East African coast, produced a split verdict: the islands of Grande Comore, Anjouan, and Mohéli voted heavily for independence, while Mayotte, with its distinct demographic and economic ties, voted to remain French.
Rather than negotiate a phased transition, Comorian president Ahmed Abdallah pushed parliament to unilaterally declare independence for all four islands on July 6, with the declaration taking practical effect and gaining broader recognition around July 9. France, unwilling to cede Mayotte against its residents' wishes, refused to recognize the declaration's claim over that island and maintained control there.
The rupture triggered instability that plagued the new nation for decades, including a coup just weeks after independence backed by the French mercenary Bob Denard, who would go on to stage multiple coups in the Comoros over the following twenty years. Mayotte's status remains disputed: it became a full French department in 2011, a source of enduring friction with the African Union, which continues to regard the entire archipelago as rightfully Comorian.