What nationality and ethnic group was Nikola Tesla?

AnswerNikola Tesla was born in Croatia. His ethnicity was Serbian.

He was born in a small village called Smiljan in Croatia (Former Austrian Empire) in 10 July 1856. His father was a Serbian Orthodox priest. His mother was an inventor herself, of household appliances.

Although he was educated in Europe, his genius was not appreciated until he came to the US to work with Thomas Edison.

He was one of the greatest inventors of all time. Some people call him "the father of modern physics" and "the man who lighted the world".