 Not only did he decline the offer, but he beheaded the five Mongolian emissaries after summoning them to Kamakura.Infuriated, Kublai organized another attack on Fukuoka Prefecture in 1281, mobilizing 140,000 soldiers and 4,000 ships.The Japanese defenders, numbering around 40,000, were no match for the Mongols and the invasion force made it as far as Dazaifu, south of the city of Fukuoka.