Nagato Sumiyoshi is one of important shrines in the history of Japanese architecture. It is said that it was built in 1370, in the registration of the Agency for Cultural Affairs. But, as a result of considering the old documents and ornamental details, especially flog legs, I guess that it was rebuilt in 1578. And it has a lot of unique design, for example uchinori-nageshi which is used on pillars of eave.