Margiana is a historical region centred on the oasis of Merv and was a minor satrapy within the Achaemenid satrapy of Bactria, and a province within its successors, the Seleucid, Parthian and Sasanian
Behistun relief of Frâda, a king of Margiana circa 522 BC. Label: "This is Frâda. He lied, saying "I am king of Margiana.""
Бурэ Л. Л., Ворота в древнем Мерве
The Rashidun Caliphate was the early Islamic polity led by the first four successive caliphs: Abu Bakr, Umar, Uthman, and Ali, collectively known as the Rashidun, or "Rightly Guided" caliphs. These ea
Margiana
…Despite this, the Hepthalites returned in around 480 AD and occupied Margiana until 565 AD. In 642 AD, after the Sasanian disaster at the hands of the Rashidun Caliphate at the Battle of Nihawand, much like Darius III, the last Sasanian king, Yazdegerd III, fled eastward and arrived in Margiana in 651 AD. Yazdegerd was…
Ottoman miniature paintings depicting Muhammad (center) and the Rashidun caliphs Abu Bakr, Umar, Uthman, and Ali, c. 16th century
Sasanid style coins during the Rashidun period, featuring a crescent-star, fire altar, depictions of Khosrow II, and an Arabic bismillāh in the margin).
Tombs of the caliphs Abu Bakr and Umar (right), in Medina, present-day Saudi Arabia
Muhammad's widow, Aisha, battling the fourth caliph Ali in the Battle of the Camel (16th-century miniature from a copy of the Siyer-i Nebi)