 Suiko's refusal to grant Soga no Umako's request that he be granted the imperial territory known as Kazuraki no Agata in 624 is cited as evidence of her independence from his influence.Some of the many achievements under Empress Suiko's reign include the official recognition of Buddhism by the issuance of the Flourishing Three Treasures Edict in 594.Suiko was also one of the first Buddhist monarchs in Japan and had taken the vows of a nun shortly before becoming empress.