Change of era

• 1558 : 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

• June 12, 1560 (Eiroku 3, 19th day of the 5th month): Battle of Okehazama
  Battle of Okehazama
  The took place in June 1560. In this battle, Oda Nobunaga defeated Imagawa Yoshimoto and established himself as one of the front-running warlords in the Sengoku period.-Background:...
  
  .
• 1560 (Eiroku 3, 1st month): Ōgimachi was proclaimed emperor. The ceremonies of coronation were made possible because they were paid for by Mōri Motonari
  Mori Motonari
  was a prominent daimyō in the west Chūgoku region of Japan during the Sengoku period of the 16th century.-Early years:Mōri Motonari was born under the name Shojumaru in a small domain of Aki province in 1497. He is said to have been born at Suzuo Castle, his mother's homeland...
  
   and others.
• 1560 (Eiroku 3, 5th month): Imagawa Yoshimoto
  Imagawa Yoshimoto
  was one of the leading daimyo in the Sengoku period Japan. Based in Suruga Province, he was one of the three daimyo that dominated the Tōkaidō region. He was one of the dominant daimyo in Japan for a time, until his death in 1560....
  
   led the armies of the province of Suruga
  Suruga Province
  was an old province in the area that is today the central part of Shizuoka prefecture. It was sometimes called . Suruga bordered on Izu, Kai, Sagami, Shinano, and Tōtōmi provinces; and had access to the Pacific Ocean through Suruga Bay.-History:...
  
   against the Owari
  Owari Province
  was an old province of Japan that is now the western half of present day Aichi Prefecture, including much of modern Nagoya. Its abbreviation is Bishū .-History:The province was created in 646....
  
  ; and at the , his forces fought against Oda Nobunaga
  Oda Nobunaga
  was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...
  
  ; but Imagawa's army was vainquished and he did not survive. Then Nobunaga took over the province of Owari. Tokugawa Ieyasu
  Tokugawa Ieyasu
   was the founder and first shogun of the Tokugawa shogunate of Japan , which ruled from the Battle of Sekigahara  in 1600 until the Meiji Restoration in 1868. Ieyasu seized power in 1600, received appointment as shogun in 1603, abdicated from office in 1605, but...
  
   took over the province of Mikawa
  Mikawa Province
  is an old province in the area that today forms the eastern half of Aichi Prefecture. It was sometimes called . Mikawa bordered on Owari, Mino, Shinano, and Tōtōmi Provinces....
  
   and made himself master of .
• 1564 (Eiroku 7): Nobunaga completed the conquest of Mino
  Mino Province
  , one of the old provinces of Japan, encompassed part of modern-day Gifu Prefecture. It was sometimes called . Mino Province bordered Echizen, Hida, Ise, Mikawa, Ōmi, Owari, and Shinano Provinces....
  
  ; and he built a new castle at Gifu
  Gifu Castle
  is a castle located in the city of Gifu, Gifu Prefecture, Japan. Along with Mount Kinka and the Nagara River, it is one of the main symbols of the city.-History:Gifu Castle was first built by the Nikaidō clan between 1201 and 1204 during the Kamakura Period....
  
  .
• 1568 (Eiroku 11, 2nd month): Ashikaga Yoshihide
  Ashikaga Yoshihide
  was the 14th shogun of the Ashikaga shogunate who held nominal power for a few months in 1568 during the Muromachi period of Japan. When he became shogun, he changed his name to Yoshinaga, but he is more conventionally recognized today by the name Yoshihide....
  
   became shogun.
• 1568 (Eiroku 11, 9th month): Shogun Yoshihide died from a contagious disease.

External links

• National Diet Library
  National Diet Library
  The is the only national library in Japan. It was established in 1948 for the purpose of assisting members of the in researching matters of public policy. The library is similar in purpose and scope to the U.S...
  
  , "The Japanese Calendar" -- historical overview plus illustrative images from library's collection