Mirza Hossein Khan Ajudan Bashi was a 19th century Persian diplomat. He was sent to France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 in 1839 by the Persian ruler Mohammad Shah Qajar

Mohammad Shah Qajar

Mohammad Shah Qajar was king of Persia from the Qajar dynasty .- Rise to power :...

 following the conflict between Persia and Great Britain over the possession of Herat

Herat

Herāt is the capital of Herat province in Afghanistan. It is the third largest city of Afghanistan, with a population of about 397,456 as of 2006. It is situated in the valley of the Hari River, which flows from the mountains of central Afghanistan to the Karakum Desert in Turkmenistan...

 in Afghanistan

Afghanistan

Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

. In the wake of the Herat affair, Great Britain would remove its military and diplomatic missions from Persia, and occupy Kharg island

Kharg Island

Kharg Island is a continental island in the Persian Gulf belonging to Iran. The island is located off the coast of Iran and northwest of the Strait of Hormuz. Administered by the adjacent coastal Bushehr Province, Kharg Island provides a sea port for the export of oil and extends Iranian...

 and attack Bushehr

Bushehr

Bushehr Bushehr lies in a vast plain running along the coastal region on the Persian Gulf coast of southwestern Iran. It is the chief seaport of the country and the administrative centre of its province. Its location is about south of Tehran. The local climate is hot and humid.The city...

.

By dispatching Mirza Hossein Khan, Mohammad Shah Qajar resumed diplomatic relations with France. The diplomatic mission reached Louis-Philippe and asked for military help. In response, a group of French officers was sent to Persia with the returning ambassador. Louis-Philippe said:
Mirza Hossein Khan also visited Vienna

Vienna

Vienna is the capital and largest city of the Republic of Austria and one of the nine states of Austria. Vienna is Austria's primary city, with a population of about 1.723 million , and is by far the largest city in Austria, as well as its cultural, economic, and political centre...

 and London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 as Ambassador Extraordinary, where Palmerston

Palmerston

-People:* Several prominent people have borne the title of Viscount Palmerston, and most or all the below places are named for one of them - especially for the third, most prominent of them. They include:** Henry Temple, 1st Viscount Palmerston -People:* Several prominent people have borne the...

refused to receive him and rejected his mission..