Hongan-ji fortified temple established at Osaka siteJan 1, 1496Labels: Ishiyama Hongan-ji, OsakaHongan ji
Earliest stonework appears in Japanese castlesJan 1, 1530Labels: Stonework, Japanese castlesBritannica
Azuchi Castle construction completedJan 1, 1579Labels: Azuchi Castle, Oda NobunagaAzuchi CastleBritannica
Siege of Ishiyama Hongan-ji ends with surrenderAug 1, 1580Labels: Abbot Kennyo, Ishiyama Hongan-jiIshiyama WarHongan ji
Construction begins on Toyotomi Osaka CastleJan 1, 1583Labels: Toyotomi Osaka, Toyotomi HideyoshiOsaka CastleHongan ji
Fushimi Castle built as Hideyoshi’s retirement palaceJan 1, 1592Labels: Fushimi Castle, Toyotomi HideyoshiFushimi CastleBritannica
Toyotomi completes Osaka Castle constructionJan 1, 1597Labels: Osaka Castle, Toyotomi HideyoshiOsaka Castle
Himeji Castle rebuilt with extensive stone wallsJan 1, 1601Labels: Himeji Castle, Ikeda TerumasaHimeji Castle
Siege of Osaka begins (Winter Campaign)Nov 8, 1614Labels: Siege of, Tokugawa IeyasuOsaka SiegeOsaka Castle
One Castle per Province decree restricts fortificationsAug 7, 1615Labels: Ikkoku ichij, Tokugawa shogunateBritannicaJapaneseWiki