US-Iran relations: A brief history - BBC News.
Iraq's History: An Interactive Timeline.. Scroll through to tour a history of Iraq, from the Sumerians to modern day. Around 4800 BC, Sumerians were the very first people to settle in Mesopotamia (modern-day Iraq), marking the emergence of the first human civilization.
Two years following the invasion of Afghanistan, on March 20, 2003, a multi-national coalition of troops primarily from the USA and the UK began its invasion of Iraq, a sovereign nation under the rule of Presidential dictator Saddam Hussein, which had been accused of possessing weapons of mass destruction and state sponsored terrorism.
By around 3200 B.C., the largest settlement in southern Mesopotamia, if not the world, was Uruk: a true city dominated by monumental mud-brick buildings decorated with mosaics of painted clay cones embedded in the walls, and extraordinary works of art.
Like ancient Persia, which included parts of Iraq, Iran has a long, creative and glorious history. Unlike many other Middle Eastern countries, Iran managed to remain independent throughout much of its history. Today it has a population of about 70 million persons.
A Persia timeline showing major events in the ancient history of the empire of Persia (modern Iran) from 3400 B.C.E. to 641-42 C.E.
BC (3500BC) World's first civilization, Mesopotamia, was developed in southeastern Iraq (539BC) Persians conquered Mesopotamia (332BC) Alexander the Great conquered the Persians 200s - 1800s (226AD) Persian Sassanid dynasty gained control of Mesopotamia (633AD) Arab Muslims conquered Sassanid and Iraq (750) Islamic world conquered by the Abbasids; Baghdad founded as capital.
The following is a timeline of Iran-Saudi relations since the 1979 revolution. 1980-1988: Iraq invades Iran, prompting an eight-year war.Saudi Arabia remains publicly neutral, but reportedly makes three of its ports available to ship military equipment to Iraq.