Portuguese merchants land at TanegashimaSep 23, 1543Labels: Tanegashima, Portuguese merchantsPort ExpansionPort Expansion
Portuguese firearms begin spreading in JapanOct 1, 1543Labels: Firearms, Sengoku warfarePort ExpansionPort Expansion
Portuguese ships begin regular visits to HiradoJan 1, 1550Labels: Hirado, Portuguese tradeMatsura MuseumHirado Castle
Portuguese base at Macau strengthens Japan tradeJan 1, 1557Labels: Macau, Portuguese baseLibrary CongressStanford CEAS
Portuguese trading at Hirado ends after violenceJan 1, 1561Labels: Hirado, ViolenceMatsura MuseumPort Expansion
Yokoseura opens as a Portuguese trade portJan 1, 1562Labels: Yokoseura, mura SumitadaPort ExpansionYokoseura
Ōmura Sumitada becomes the first Christian daimyōMay 20, 1563Labels: mura Sumitada, Christian daimyCBCJ Historymura Sumitada
First recorded Portuguese–Japanese naval clashOct 18, 1565Labels: Fukuda Bay, Naval clashFukuda BayMatsura Museum
Ōmura Sumitada opens Nagasaki to foreign tradeJan 1, 1570Labels: Nagasaki, mura SumitadaNagasaki Peacemura Sumitada
First Portuguese ships enter Nagasaki HarborJan 1, 1571Labels: Nagasaki, Portuguese shipsNagasaki PeaceNagasaki Customs