which dynasties ruled here?
Achaemenid dynasty, Arsacid dynasty of Parthia,
Cyrus the Great
The Persian domination and kingdom in the Iranian plateau started by an extension of the Achaemenid dynasty, who expanded their earlier domination possibly from the 9th century BC onward. The eponymous founder of this dynasty was Achaemenes (from Old Persian "Haxāmaniš"). Achaemenids are "descendants of Achaemenes" as Darius the Great, the ninth king of the dynasty, traces his genealogy to him and declares "for this reason we are called Achaemenids." Achaemenes built the state Parsumash in the southwest of Iran and was succeeded by Teispes, who took the title "King of Anshan" after seizing Anshan city and enlarging his kingdom further to include Pars proper. Ancient documents mention that Teispes had a son called Cyrus I, who also succeeded his father as "king of Anshan." Cyrus I had a full brother whose name is recorded as Ariaramnes.

In 600 BC, Cyrus I was succeeded by his son, Cambyses I, who reigned until 559 BC. Cyrus II "the Great" was a son of Cambyses I, who had named his son 
who took over the islamic empire after the caliphs UNANSWERABLE what is this succession issue? The succession to Muhammad is the central issue that split the Muslim community into several divisions in the first century of Islamic history. Shia Islam holds that Ali ibn Abi Talib was the appointed successor to the prophet Muhammad. Sunni Islam maintains Abu Bakr to be the first leader after Muhammad. who was this leader maintained by the sunnis? A father-in-law and companion of the Islamic prophet Muhammad. He was the first of the Rashidun Caliphs. where was he from? Mecca, Saudi Arabia. how did he die? He fell sick and did not recover. He developed a high fever and was confined to bed. His illness was prolonged did he take part in any war? Yes - he participated in the Battle of Uhud, Battle of the Trench, Invasion of Banu Qurayza, Battle of Khaybar, Ridda Wars who were the parties involved in the last war? Military campaigns launched by the Caliph Abu Bakr Versus rebel Arabian tribes where was it fought? Medina, Yamamah, Oman, Northern Arabia to  name a few what was the result of this war? The rebellions collapsed, Abu Bakr now decided to expand the empire. how were the persians related to this? Abu Bakr decided to expand the empire. This set the stage for the Islamic conquest of Persia. Khalid was sent to the Persian Empire with an army and conquered the richest province of the Persian empire: Iraq. by whom was this empire established? Cyrus II of Persia (Cyrus the Great)
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Cyrus the Great [SEP] Dynastic history
The Persian domination and kingdom in the Iranian plateau started by an extension of the Achaemenid dynasty, who expanded their earlier domination possibly from the 9th century BC onward. The eponymous founder of this dynasty was Achaemenes (from Old Persian "Haxāmaniš"). Achaemenids are "descendants of Achaemenes" as Darius the Great, the ninth king of the dynasty, traces his genealogy to him and declares "for this reason we are called Achaemenids." Achaemenes built the state Parsumash in the southwest of Iran and was succeeded by Teispes, who took the title "King of Anshan" after seizing Anshan city and enlarging his kingdom further to include Pars proper.