EntityQ1327489· pop 13· linked from 263 articlesShōkaSign in to saveJapanese era from March 1257 to March 1259ConnectionsInternational Standard Book NumberEntityepidemicEntityMeiji restorationEntityAtomic bombings of Hiroshima and NagasakiConceptEmpire of JapanEntityhistory of JapanEntity2011 Tōhoku earthquake and tsunamiEntityRusso-Japanese WarEntitySecond Sino-Japanese WarEntityAttack on Pearl HarborConceptBoxer RebellionEntityFirst Sino-Japanese WarEntityPacific WarEntityTokugawa shogunateEntityEdo periodEntityMeiji eraEntityGoogle BooksEntityKojikiEntityHeian periodEntityJōmon periodEntityCategories1250s in Japan13th-century neologismsJapanese eras