An article from December of Emperor Senka states, 'The vassals presented the sword and the mirror to Takeohirokuni Oshitate no mikoto which immediately made him an emperor.'
宣化天皇前記十二月の条、「群臣、奏して、剣（みはかし）鏡（みかがみ）を武小広国押す盾尊に上りて、即天皇之位さしむ」。