Complex sentence: They appear in Islamic history as part of what Vladimir Minorsky has called "the Iranian intermezzo" where indigenous Daylamite and Kurdish principalities take power in north west Persia after two to three hundred years of Arab rule.
Split into simpler sentences: They appear in Islamic history as part of what Vladimir Minorsky has called "the Iranian intermezzo". This is where indigenous Daylamite and Kurdish principalities take power in north west Persia after two to three hundred years of Arab rule.