The Insurrection of the Seven was a soft coup that occurred within the Adrestian Empire in Imperial Year 1171. Duke Aegir, backed by a cadre of other upstart Imperial nobles, stripped Emperor Ionius IX of much of his power, relegating him to a mere figurehead while the Duke became the true authority behind the throne. This move was apparently provoked by the emperor's policy of power centralization, which had stirred unrest among the nobility and a failed revolt by House Hrym in 1167.
The upheaval left a deep impression on the young Princess Edelgard. Her uncle, Lord Volkhard von Arundel, defected to the Holy Kingdom of Faerghus for three years at the onset of the Insurrection, taking Edelgard and her mother, Patricia von Arundel, with him.
The eponymous seven nobles who instigated the Insurrection were all leading ministers of the Empire: