Shimabara Peninsula Martyrs Memorial Cathedral, in Shimabara
This Cathedral is house of prayer for tens of thousands Christians who were martyred
between 1612 and 1658 throughout the Shimabara Peninsula.
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It was built in 1997 to commemorate the 400th anniversary of the martyrdom of 26
Japanese Saints and the 360th anniversary of the Shimabara Rebellion.
The Cathedral is a beautiful octagonal building with a large octagonal dome.