António I of Kongo - Wikipedia https://en.wikipedia.org/wiki/Ant%C3%B3nio_I_of_Kongo
946年の白頭山の噴火 - ウィキペディア https://en.wikipedia.org/wiki/946_eruption_of_Paektu_Mountain
桑江 - Wikipedia https://en.wikipedia.org/wiki/Kuwae
これだ
1257 Samalas eruption - Wikipedia https://en.wikipedia.org/wiki/1257_Samalas_eruption