Herodotus, Josephus, Michael King, Simon Schama and Edward Gibbon share what common focus?

Question

In 1821 Venezuelan Simon Bolivar became the first President, and, except for a brief retirement, remained so until his death in 1839, of which country?

Answer 1

Answer: History
They are all historians: Gibbon was an 18th century Englishman specialising in the Roman Empire; Michael King was a 20th century New Zealander specialising in Maori history; Simon Schama is a 20th century Englishman specialising in art history, Dutch history, and French history; Josephus was a first-century Romano-Jewish scholar, historian and hagiographer; Herodotus was a 5th century BCE Greek historian (known as the earliest).