Please note, this is the only part of the Timeline that is in Timeline format.
850 BC:A Median tribe begins to unite the Medes.
815 BC:The Median Tribe has complete control of Eastern Media as the Median Kingdom and Western Media is united under the Median Confederacy.
810 BC:The Median Kingdom declares war on the Median Confederacy.
807 BC:The Battle of the Border happens.The war turns in the Confederacy's favor.Elam supports the Confederacy.
806 BC:The Battle of Monarchia happens.Monarchia is put to the torch but the stalemate is restored with the Confederacy abandoning the Kingdom.
804 BC:The Battle of Temporary Unity happens.The former Confederate capital is decimated.The war turns in the Kingdom's favor.The Median Kingdom changes its name to the Median Empire.
803 BC:The Battle of Confederate City happens.The Confederacy is annexed to the Empire.Elam accepts the Treaty of Unity.
797 BC:The Medes invade Elam in revenge for them supporting the Confederacy.
795 BC:The Medes win the Battle of Elam City.War is now in Median favor.
794 BC:The Elamites win the Battle of the Elamite Coast.Stalemate is restored.
792 BC:Media proposes the First Treaty of Elam.This says a strip of Elamite Coast is now Median.The Satrapy of Median Coast is created.
784 BC:Elam collapses.The Elamite Central Government controls Elam City only.Period of Warring Elamite Cities.
780-776 BC:The Medes invade Elam.In 776 BC,Elam proper falls and the brief period is declared over.The Satrapy of Median Coast expanded to include Elam under the Just Elamite Satrap.
763 BC:The Medes begin expanding into Persia.
758 BC:Persia is now completely Median.
753 BC:Parthia is expanded into.
740 BC:Parthia is completely annexed.
720 BC:All of OTL Iran is now annexed.
715 BC:The Afghans are expanded into.
698 BC:The Afghans and Bactrians are completely annexed by Media.
690 BC:All of the OTL Median Empire is part of the ATL Empire at this point.
687 BC:The Elamite Revolt begins.
675 BC:Zarathustra is born.
668 BC:Zarathustra changes his name to Zoroaster and starts spreading Zoroastrianism.
660 BC:All of Media is Zoroastrian.
657 BC:The Satrap of Bactria leaves Media.Beginning of Bactrian Revolution.
654 BC:The Elamite Revolt is crushed.Satrapy of Elam abolished.
650 BC:Bactrian Revolt stops.Satrapy of Bactria becomes Autonomous Province of Bactria.
645 BC:Zoroaster revolts against the Medes.Medes are originally winning.
640 BC:Battle of Media occurs.The tide is changed to Zoroaster.
637 BC:Batle of the Persian Plains occurs.Zoroaster wins this.
630 BC:The Treaty of Persepolis is signed.This gives Zoroaster Media and Western Persia with East Persepolis being a Median Exclave.
628 BC:Zoroaster becomes the first Zarathustran Emperor.Zarathustran Empire is founded.
620 BC:Zoroaster dies and his son Zarathustra is crowned Zarathustran Emperor.
- The rest of the world is the same as OTL.