Demographic history of Japan before the Meiji Restoration papers of the Shōsōin (8th century) and others, as well as remnants of specific periods. Since Kyōto (or Heian-kyō) became the capital of Japan in 794, it has been one of the most important cities in Japan. Hiraizumi and Kamakura flourished under Northern Fujiwara clans (during 12th century) and Kamakura shogunate (1192 to 1333), respectively. The urban area of Kyōto suffered from the Ōnin War (1467 to 1477) and split into two districts, but coalesced into a great city of more than 400,000 inhabitants after the end of Sengoku period. The Christian missionaries led by Francis Xavier reported that the
Tropical cyclones and climate change noted that it is not yet clear to what extent global warming caused the increased water temperatures, but observations are consistent with what the IPCC projects for warming of sea surface temperatures. In July 2018 Japan experienced a natural disaster: heavy floods and landslides, who killed more than 200 people, make 2 million to flee. This was the consequence of unprecedented heavy rain and the typhoon Prapiroon. Scientist suggests, that climate change is probably one of the main cause for the disaster. This is in line with government predictions for the impact of climate change on Japan. A 2012 report