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The Persian army laid siege to a Kurdish fortress on the banks of Lake Urmia.
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Abas 1 dies and his son Safi succeeded him.
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Iran declares neutrality in WW1 but is a scene of heavy fighting.
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Persia is officialy known as Iran.
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Three Soviet armies invaded Iran from the north.
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The Iran-Iraq war is the longest war of the 20th century after the Sino-Japenese War. The war began when the Ba'athist attacked by air. The battle raged on for a full 8 years, including large attacks by both Iran and Iraq.
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A major earthquake strikes Iran, killing approximately 40,000 people.
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Iran rejects a US state department report saying it remains the "most active state sponsor of terrorism" in the world.
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This was when the modern persian language, Farsi, emerged.
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Tahir ibn Husayn, an Iranian general under the Abbasid Caliphate, declared the establishment of the independent Tahirid Dynasty .