According to one chronicl
According to one chronicle, this period was preceded by a battle in which the winning commander parted the sea by throwing his sword into it, allowing his army to march onto victory. That battle occurred during the Genko War, and it was a victory for Nitta Yoshisada over the Hojo clan. This period began after the accession of a member of the Southern Court; that ruler's allies included Kusunoki Masashige and a man who would later fight him in a war caused by the failed policies of this period. This period ended after Ashikaga Takauji entered Kyoto, causing Go-Daigo's flight to Mount Hiei. For 10 points, name this period of Japanese history that followed the Kamakura Shogunate and briefly returned imperial control to Japan.
According to one chronicle, this period was preceded by a battle in which the winning commander parted the sea by throwing his sword into it, allowing his army to march onto victory.
{Kenmu} Restoration [or {Kemmu }Restoration]