It was said that there was a report from Korea Daily, saying that researchers ans historians from Sungkyunkwan Univeristy, after much researches, have come to conclusion that Sakyamuni was actually from Korean race.
The historians claimed that, during B.C. 700, Koreans living at the southern part of Korea peninsular started ventured across the ocean. Some of them reached Japan and became forming part of current Japan cultures. At around B.C. 650, Koreans reached Straits of Malacca. Then these Koreans passed through Straits of Malacca and reached the area of current Bangladesh.
Sakyamuni was from a royal family in northern India, did not belong to Aryan. Based on the researches into Sakyamuni’s daily habits, activities, they found that it was very “east-asian” style. Also, they found that many of the words from Buddhist scriptures look like a “transfrom” of Korean words.
A reporter from Korea Daily is doing follow-up with this report. A book on this topic is expected to be released end of this year.
I could not find any reliable source for this report. However, if you do a search on “成均馆大学”, “釋迦牟尼” in Google, you will see the many Chinese are talking about this.