The Greek gods wee immortal
No myth gives the birth-day or year of Poseidon's life.
Poseidon did not, will not, and can not die.
Poseidon is a god so he did not, can not and will not die, because gods are immortal.
No one killed Poseidon, he can not die.
In ancient Greek myth, Poseidon did not die.
Poseidon did not die; his father is the Titan god of time, so his birthday is a mystery of myth.
Poseidon did not, and will not die.
Poseidon is immortal. He didn't die, people just stopped believing in him.
Nobody knows what year they will die in. It could be any day of their life in theory.
No-one knows.
1997
151,650 people die every day in this world. if it was a year -55,503,922 die every year.