The History of the World Podcast, written and presented by Chris Hasler. Volume 4, The Medieval World.

Episode 64, Silla and Korea. and Let us summarize the story of Korea up to the 7th century.

The Korean Peninsula didn't actually form until after modern humans migrated to the area.

As sea levels rose, the Japanese islands were separated from the Asian mainland and the yellow sea formed which caused

a peninsula of land to become isolated from the mainland apart from a 100 mile stretch of land at its north, which allowed migrations

in and out of the peninsula.

The first societies of the peninsula embraced pottery, agriculture and aquaculture.

This would have been followed in the first century B.C. by metallurgy, and significantly, bronze working.

It's may have been during this period that the first polity of significant note emerged, referred

to by the name Kochesen, which is believed to have dominated the area in and around the Laudong Peninsula, which is now on the Chinese

side of the North Korean border.

Kojosun would have had a convenient maritime trade link from the Lealdong Peninsula to the

Shandong Peninsula and consequently the heartland of Chinese cultures which would aid the wealth

and subsequent modernization of the Kajosun state.

Chinese aggression towards Kajosun in around 300 B.C.E. pushed Kajosun into the north of the actual Korean Peninsula. During this time the societies in the

south of the peninsula were living a much simpler life than the modernizing state

of Kajosan, but migrations would bring modern culture such as ironmongery, weaponry,

and politics to the south.

The beginnings of the Han states would emerge in the the in the North was also exposed to the nomadic ways of life of the

the Hyungnu peoples of the Steplands.

And with this came the opportunity to learn

about horsemanship and the use of cavalry in armies.

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