Ankara is a city that has a lot of history. Ankara was invaded many times. In 546 BCE, Achaemenid Persians was in control of Ankara (approximated date). Ankara was then invaded by the Romans in 25 BCE. At the time, Ankara was controlled by Augustus. Ankara castle was captured by the Crusaders in 1101. Ankara castle was captured again by the Seljuqs in 1227. Ankara was controlled again by the Ottomans in 1403. In October 13, 1923 Ankara became the capital of Turkey.