For the video game company, see Genki . was a after Eiroku and before Tensh?. This period spanned the years from 1570 through 1573. The reigning emperor was .Titsingh, I. (1834). Annales des empereurs du Japon, p. 383. Change of era · ; 1570: The era name was changed because of various wars. The previous era ended and a new one commenced in Eiroku 13, on the 23rd day of the 4th month. Events of the Genki era · Genki 1, in the 6th month (1570): The combined forced of the Azai clan, led by Azai Nagamasa, and the Asakura clan, led by Asakura Yoshikage, met the forces of Oda Nobunaga in a shallow riverbed which has come to be known as the Battle of Anegawa. Tokugawa Ieyasu led forces which came to the aid of Oda's army; and Oda claimed the victory.Titsingh, p. 388. ·