How it came, there is nothing like Babylon, Assyria, Mesopotamia, Akkad or Sumer? This region is birthplace of civilization and i hope at least some of them were longstanding.
Gogoryeo was one of the ancient Korean empires. These empires aren't studied very much in the West and if they are they're typically just referred to as Korea. Korean is an acceptable type-in. Srivijaya was one of the many different Indian empires. Again... not studied much in the West. And then usually all crudely lumped together as Indian, as if this was a meaningful identity prior to British colonization.
Xia: 470 years
Shang: 554 years
Eastern Zhou: 515 years