| However, it is now most commonly believed that the oldest example of the system being used occurred when Shinano Province was given to Retired Emperor Uda in 908, followed by Musashi Province ten years later. |
延喜8年（908年）に宇多上皇のために信濃国が与えられ、10年後に更に武蔵国が与えられたのが最古の例と考えるのが妥当とされている。 |