Cika wannan jumlar: Yana yiwuwa sojojin Kublai Khan na kasar Sin sun yi amfani da makaman bindiga a Java
sun nemi mamaye Java a shekara ta 1293. Da'awar cewa masarautar Majapahit ta yi amfani da fasahar gunpowder da aka samu daga daular Yuan ba ta da wata hujja mai ma'ana. An kuma kira bindigar Javanese mai juyawa, cetbang, wanda ake kira bedil.