Buddhism in Viking lands? Deciphering the Oseberg Buddha artifact : The chronicles and histories are full of stories and tales of the Eastern exploits of people from Viking societies. We know they reached as far as the eastern edges of the Black Sea and into the Byzantine and Islamic world.
Mahan(마한, 馬韓), one of three Hans (삼한, 三韓), which composed of Ancient Chosun(조선, 朝鮮), in Korean History, seems to be in Europe, when I check the explanations about Hans, written by Chinese History Books. If you want to look at the articles in detail, please, click the following site address to read (in Korean); https://blog.naver.com/lainfos/223840947526