Oura Tenshudo is a Gothic-style church representing medieval European architecture, built for foreign residents in the Nagasaki Settlement area, which was created after the country opened to the outside world at the end of the Edo period.
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Some of the stained glass windows decorating the chancel are approximately 100 years old..
The church is also dedicated to the 26 Japanese saints who were martyred just before its construction, and the front of the Tenshudo was built facing Nishizaka, the site of their martyrdom.
The design leaders were French missionaries, Fathers Furet and Petitjean, and the construction was done by Koyama Hidenoshin (later renamed “Shu (Hide)”) of Amakusa.
Construction was completed at the end of 1864 and celebrated in February of the following year.
Shortly after this, in March, a Christian in hiding in Urakami visited and confessed his faith, setting the stage for a “discovery of the faithful” unprecedented in the history of world religions.
Additions and renovations in 1875 and 1879 transformed the plan and exterior design, and the exterior walls were changed from wood to brick, but the main parts of the interior space have been preserved as they were when the building was first built.
It was designated a National Treasure in 1933, but after the restoration of the damage caused by the atomic bombing was completed, it was designated a National Treasure again in 1953 as the oldest existing church building in Japan. It is also one of the components of the “Nagasaki and Amakusa Region Heritage Related to Submerged Christians,” which was registered as a UNESCO World Cultural Heritage site in 2018.
