When was socrets dead?

Socrates was an ancient Greek philosopher and teacher.

One of his well-known sayings is "I know that I know nothing," a belief that is said to be a basis for true learning. Another is "Know thyself," which is not an easy thing to do. Each of us has multiple personality facets that we use, depending on who we are with, IE: How I "present myself" to other people-- or, "the whole world is a stage."

Actually knowing yourself takes years of soul searching and unusual insight. This would require stripping away all of the multiple personalities that one puts on for different people and searching for the TRUE YOU. Then you need to get rid of your own false self-images and delusions.

There is a big difference between:

"Who am I?" and

"Who do I think I am?"

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Your question involved the death of Socrates and the length of time of his death. He died in 399 BC (age approx. 71) and has remained deceased until now.