1. The 26 Martyrs' Memorial

The background for this memorial is as follows: In 1596 a Spanish ship capsized on Shikoku, and the sailors boasted that the Christian missionary was just pretext for colonisation of Japan as a whole. This worried Shogun Toyotomi Hideyoshi and eventually he cracked down and he had six missionaries and twenty Japanese converts crucified in Nagasaki. Christianity would remain banned until a few years after the Meiji restoration.