Iran is home to one of the world's oldest continuous major civilizations, with historical and urban settlements dating back to 4000 BC. The Medes unified Iran as a nation and empire in 625 BC.
ɪ ɹ æ n WORD_BOUNDARY ɪ z WORD_BOUNDARY h oʊ m WORD_BOUNDARY t ə WORD_BOUNDARY w ʌ n WORD_BOUNDARY ʌ v ð ə WORD_BOUNDARY w ɜː l d z WORD_BOUNDARY oʊ l d ɪ s t WORD_BOUNDARY k ə n t ɪ n j uː ə s WORD_BOUNDARY m eɪ d̠ʒ ə ɹ WORD_BOUNDARY s ɪ v ɪ l ɪ z eɪ ʃ ə n z WORD_BOUNDARY w ɪ ð WORD_BOUNDARY h ɪ s t ɔ ɹ ɪ k ə l WORD_BOUNDARY æ n d WORD_BOUNDARY ɜː b ə n WORD_BOUNDARY s ɛ t ə l m ə n t s WORD_BOUNDARY d eɪ t ɪ ŋ WORD_BOUNDARY b æ k WORD_BOUNDARY t ə WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY θ aʊ z ə n d WORD_BOUNDARY b iː s iː WORD_BOUNDARY ð ə WORD_BOUNDARY m iː d z WORD_BOUNDARY j uː n ɪ f aɪ d WORD_BOUNDARY ɪ ɹ æ n WORD_BOUNDARY æ z WORD_BOUNDARY ʌ WORD_BOUNDARY n eɪ ʃ ə n WORD_BOUNDARY æ n d WORD_BOUNDARY ɛ m p aɪ ə ɹ ɹ WORD_BOUNDARY ɪ n WORD_BOUNDARY s ɪ k s h ʌ n d ɹ ɪ d WORD_BOUNDARY t w ɛ n t i WORD_BOUNDARY f aɪ v WORD_BOUNDARY b iː s iː WORD_BOUNDARY