Finally Emperor Jianwen of Ming offered a master-and-man relationship (sakuho) to the Japanese sovereign instead of to Prince Kanenaga, with whom Ming had wanted to have contact until then, and when Ming gave the Datongli calendar to Japan, the two countries' diplomatic relations were formally established.
ようやく明の建文帝によりそれまでの懐良親王に代わって日本国王に冊封され、明の大統暦が授与され国交が正式に樹立した。