Presumably the Peace of Callias.
The Peace of Callias 449 BCE.
With the Peace of Callias made in 449 BCE.
The man who arranged the peace - Callias.
Both sides agreed to the terms of the Peace of Callias.
In 449 BCE, fifty years after its beginning.
Callias negotiated a peace with the Persians in 449 BCE after 50 years of war.
Nina de Callias died in 1884.
Nina de Callias was born in 1843.
Suzanne de Callias has written: 'Erbfeindschaft'
They ended after 50 years, when the Persians agreed to peace in 449 BCE in the Peace of Callias. They left the Greek cities to go back to their normal fighting of each other.
It started in 499 BCE in the Ionian Revolt and ended in 449 BCE with the Peace of Callias, when Persia agreed to stay from Greek cities in Asia Minor and the Aegean Sea.