What year did Plato meet Socrates?

Answer 1

507 B.C.E., when Plato was 21 years of age. Socrates was convicted and executed 8 years later. There is actually debate about the date, and how old Plato was. In any case, it would have been 407 BCE, since Socrates was executed in 399.

Answer 2

Plato is believed to have met Socrates around 407 BC. Plato was a student of Socrates and went on to become one of his most famous disciples, influencing his philosophical teachings and writing about his dialogues.