where it now lies in the Atsuta Shrine.
During the reigns of Sujin and his successor, Suinin, the agriculture and communication of the country are recorded to have been greatly encouraged, troubles near the court exterminated, and also the area of the empire largely extended. The extension of the imperial domain, however, brought it in sharp conflict with the still unsubdued tribes of the north and the south. From the reign of Keikō, Suinin's successor, we hear of the story of the conflict. The Kumaso of Tsukushi, Kiushū, rose in arms. How seriously this was regarded is seen from the fact that the emperor in person conducted a campaign for several years in Kiushū. No sooner was peace restored than the southern tribes again rebelled. This time the brave Prince Yamato-dake, who was sent to Tsukushi to subdue the insurgents, had to resort to strategy instead of war. Having disguised himself as a girl, he obtained entry into the house of the Kumaso chief, where he killed the chief and his warriors while they were lying drunk. He also overthrew many other rebellious princes and returned to Yamato in triumph.
In the meantime the emperor, after his return from Kiushū, had heard from a special commissioner whom he had sent that in the northeast of the empire there was a strange region named Hidakami, where the people of both sexes wore their hair tied up, tattooed their bodies, and performed deeds of valor. They were known as the Emishi, and their land, being extensive and fertile, the commissioner represented, ought to be added to the imperial domain. These Emishi rose in rebellion shortly after the return of Prince Yamato-dake from the conquest of the Kumaso. Thereupon the prince boldly offered to undertake the conquest of the new insurgents. After subduing local uprisings on his way, he proceeded by sea to the region of the northern rebellion. As his boats drew near the shore he displayed a large mirror at the prow of his vessel, and when the rebel chieftains and their followers sighted the ships, they were terrified by such evidences of pomp and power, and throwing away their bows and arrows, made submission. The prince accepted their homage, and enlisting their aid, conquered other rebels who still resisted the progress of the imperial forces. It seems probable that on that occasion Prince Yamato-dake advanced as far as the present province of Iwaki. On his return journey, which was again beset with local difficulties, he was seized with a severe illness, which soon proved fatal. The emperor bitterly lamented the death of his beloved son, and the story of the gallant prince is still dear to the heart of every child of Japan.
The local administration of the empire so materially extended during three successive reigns was now reorganized by the Emperor Shōmu, son of Keikō. The nature of Shōmu's reform is, however, little known. When the Emperor Jimmu established the office of local governor, there were only nine provinces, but the number was increased by more than ten during the reigns of Kaika, Sujin, and Keikō, and became sixty-three in the time of the Emperor Shōmu. The imperial sway then extended northward as far as Shinobu (the present Mutsu), Sado and Noto; eastward to Tsukuba (now Hidachi); westward to Amakusa, and southward to Kii. Throughout the whole of this district, governors were appointed to administer local affairs. Subsequently the process of division continued until, in the reign of the Emperor Suikō, the total number of provinces reached 144, at which figure it remained until 645 A. D., the date of the so-called Taikwa Reformation. These local divisions, though here spoken of as provinces, had in fact different appellations—as kuni, a province, or agata, a district—and were not of uniform area. The term kuni was employed to designate an area bounded by mountains or rivers, whereas the agata had no such geographical limits. In general the former was the more extensive, but in consequence of the natural features of the country the agata was sometimes the larger. The entire subject of the local government of ancient Japan is, however, one of the most obscure subjects in history.
The reigns of the first thirteen emperors, from Jimmu to Shōmu, may be considered the era of the founding of the Japanese Empire. The main work of the sovereigns of this period consisted in the organization, extension, and consolidation of their domain. Foreign relations had hardly begun, and external influence was as yet slightly felt. The following table gives the names of the thirteen emperors, with the officially fixed dates of their reigns:
1. Emperor Jimmu.
660–585 BC
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2. Emperor Suisei.
581–549 BC
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3. Emperor Annei.
548–510 BC
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4. Emperor Itoku.
510–475 BC
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5. Emperor Kōshō.
475–392 BC
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6. Emperor Kōan.
392–290 BC
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7. Emperor Kōrei.
290–214 BC
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8. Emperor Kōgen.
214–157 BC
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9. Emperor Kaikwa.
157–97 BC
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10. Emperor Sujin.
97–29 BC
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11. Emperor Suinin.
29 BC-71 AD
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12. Emperor Keikō.
71–131 AD
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13. Emperor Shōmu.
131–192 AD
Chapter III
RELATIONS WITH KOREA AND CHINA
192–645 AD
Japan's foreign relations naturally began with the neighboring peninsula of Korea, which then contained several petty kingdoms at variance with one another. Political relations of Japan with some of these small states must have begun very early, but the traditional accounts concerning them are meager and untrustworthy. It is probable that some of the Korean chiefs were at different times tributary to Japan. The relations with Korea, however, appear to have become serious only when it was suspected that the restless tribes of Kiushū had been encouraged by Shiragi, the most warlike kingdom in the peninsula, in their repeated acts of rebellion against the emperor of Japan. In this light may be read the following famous legend of the Japanese expedition to Korea, which is said to have taken place about 200 A. D., under the leadership of the valiant Empress Jingō and her
