- In 1597, 26 men and boys including foreign missionaries were martyred in Nagasaki. These were the first executions in Japan where it can be said with certainty that they were directly owing to their victims’ Christian faith.
- There were six non-Japanese in the group, including Spaniards and one Mexican.
- In 2012 it was designated as an official pilgrimage site.
- The 26 martyrs are remembered across the world, and there are several churches dedicated to them.
- The architect Imai Kenji and the sculptor Funakoshi Yasutake designed a memorial church and a relief in order to preserve the site for future generations.