by whom was this empire established?
Cyrus II of Persia (Cyrus the Great)
Persian Empire
The first dynasty of the Persian Empire was created by the Achaemenids, established by Cyrus the Great in 550 BC with the conquest of the Median, Lydian and Babylonian empires. It covered much of the then known Ancient world. Persepolis, the most famous historical site related to Persian Empire in the Achaemenid era, has been a UNESCO World Heritage Site since 1979.
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.
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Persian Empire [SEP] Achaemenids
The first dynasty of the Persian Empire was created by the Achaemenids, established by Cyrus the Great in 550 BC with the conquest of the Median, Lydian and Babylonian empires. It covered much of the then known Ancient world. Persepolis, the most famous historical site related to Persian Empire in the Achaemenid era, has been a UNESCO World Heritage Site since 1979.