Polish immigrants closed down.

North Korea has its own people, and of course many foreigners have joined.

After the demise of Shang Dynasty, Ji Zi led his troops to occupy Korea and establish a country, which was called Jizi Korea in history. Are you from Henan?

At the beginning of Han Dynasty, Lu Wan, the prince of Yan, rebelled and took refuge in Xiongnu. His general Wei Man led the people to perish and established his own country, which was known as Wei Man Korea in history.