When Theseus' mother tells him that his real father is King Aegeus, she tells him he must take the sword and sandals that King Aegeus had buried for him back to the king and claim his birthright.
Chat with our AI personalities
Theseus
Aithra, daughter of Pittheus (son of Pelops) and lover of Aegeas.
Aegeas, when he left for Athena, told Aethra, Theseus' mother, that he had buried his sword and sandals under a large boulder. If his son should be hero enough to lift the boulder, he should be sent to Athens to claim the throne. Theseus did just that.
This is a myth, so the "date" is not much of a realistic answer, because it never existed. However, this myth was written in the mid- 4th century, to the 5th century, when it was revised.( To make it more enhanced) The myth states that "King Theseus" was 'born' into mythology (sentence 2).
Theseis is the story of Theseus