In the year 667, the Emperor Tenchi (then "Naka no Oe no Oji", Prince Naka no Oe) moved the imperial capital from Asuka to Otsu in the Omi Province (Omi no miya), and took over the throne in 668 to start a new government.
667年に天智天皇（当時中大兄皇子）は宮都を飛鳥から近江大津（近江宮）へ遷し、668年には即位し、新たな政治体制を発足させた。