It was around 440 BCE. He first delivered the account as a series of paid lectures in Athens, then published the history as a book. He called it Historia ((= Researches in English)
history of Persian wars
About 440 BCE, a decade after they ended.
Herodotus .
Herodotus
Herodotus made a living from giving historical lectures. The ones he gave in Athens were so popular he converted them into a history book. This is the only surviving work of his which we have.
Herodotus of Halicarnassus.
Herodotus.
Herodotus of Halicarnassus.
Herodotus of Halicarnassus.
Herodotus The Histories.
Herodotus
Principally Herodotus of Halicarnassus. Others wrote inferior accounts.