Eiroku

Change of era

• 1558 Eiroku gannen: The era name was changed to mark the enthronement of Emperor Ōgimachi. The previous era ended and a new one commenced in Kōji 4, on the 28th day of the 2nd month.

  Events of the ''Eiroku'' era

• 1560 : Ōgimachi was proclaimed emperor. The ceremonies of coronation were made possible because they were paid for by Mōri Motonari and others.
• June 12, 1560 : Imagawa Yoshimoto led the armies of the province of Suruga against the Owari; at the Battle of Okehazama, his forces fought against Oda Nobunaga, but Imagawa's army was vanquished and he did not survive. Nobunaga subsequently took over the province of Owari, while Tokugawa Ieyasu claimed the province of Mikawa and made himself master of Okazaki Castle.
• 1564 : Nobunaga attacked Inabayama Castle in an effort to take Mino Province from the Saitō clan, but was defeated and driven out of Mino.
• 1567 : Nobunaga defeated the Saito clan, completed the conquest of Mino; and established Gifu Castle as his primary residence and headquarters.
• 1568 : Ashikaga Yoshihide became shōgun.
• 1568 : Shōgun Yoshihide died from a contagious disease.