Keian

was a  after Shōhō and before Jōō.  This period started in February 1648 and ended in September 1652.Nussbaum, Louis-Frédéric. (2005). "Kei'an" in Japan encyclopedia, p. 503. During this time, the emperor was .Nussbaum, "Go-Kōmyō Tennō," p. 256; Titsingh, Isaac. (1834).  Annales des empereurs du japon, p. 412.

Events of the Keian era
 1648 (Keian 1): Legal code about city life and business are established in OsakaHall, John Whitney. Early Modern Japan, p. xx.

 1649 (Keian 2): Five-storied pagoda at  was built in Asakusa.Nihon Gaiji Kyōkai. (1942).  Contemporary Japan: a Review of Japanese Affairs, Vol. 11, Part 2, p. 749.

 1649 (Keian 2): Legal code for peasants established by Tokugawa Iemitsu.Nussbaum, "Kei'an no ofuregake" at p. 503.

 1 April 1649 (Keian 2, 20th day of the 2nd month): There was a major earthquake in Edo.Titsingh, p. 412.

 1651 (Keian 4): Plot to overthrow the Tokugawa, also known as the Keian Uprising.Nussbaum, "Kei'an jinken" at p. 503; Screech, Timon. (2006). Secret Memoirs of the Shogans: Isaac Titsingh and Japan, 1779-1822, pp. 85-89.

 1652 (Keian 5, 5th month):  Nihon Odai Ichiran was published.Titsingh,   pp. 406, 412.  The French version of this work was the first Japanese history book to be published in the West.

Related pages 
 Edo period

 References 

 Other websites 
 National Diet Library, "The Japanese Calendar" -- historical overview plus illustrative images from library's collection

Keian1st2nd3rd4th5th  1648  1649  1650  1651  1652
Preceded by:ShōhōEra or nengō:KeianSucceeded by:Jōō

Category:Japanese eras
Category:1648 establishments
Category:17th-century establishments in Japan
Category:1650s disestablishments in Japan