Is Herodotus Reliable?

he was a reliable resource because he was at the battle of Thermopylae so he is a primerey source

Herodotus was a Greek historian who lived in the 5th century BC and is regarded as the "Father of History" in Western culture. He was the first historian to collect his materials systematically, test...

Herodotus was a Greek writer of the 5th century B.C. who wrote the first Western, historical work in the conventional sense of the term history. He is therefore known as the father of history....

Since Herodotus is the first historian proper, he is called the father of history. Herodotus was born in the essentially Dorian (Greek) colony of Halicarnassus on the southwest coast of Asia Minor,...