Cuneiform writing emerges in Sumer
The Sumerians of Mesopotamia develop cuneiform, one of humanity's earliest writing systems, first used for economic record-keeping.
Countries / Middle East
24 notable historical events in Iraq, in chronological order.
The Sumerians of Mesopotamia develop cuneiform, one of humanity's earliest writing systems, first used for economic record-keeping.
Sargon of Akkad conquers the Sumerian city-states, creating the first known multi-ethnic empire in Mesopotamia.
King Hammurabi of Babylon issues one of the oldest and most complete written legal codes known.
A Babylonian and Median coalition sacks Nineveh, the Assyrian capital, marking the collapse of the Neo-Assyrian Empire.
Cyrus the Great takes Babylon, ending the Neo-Babylonian Empire; he later allows exiled Judeans to return to Judah.
Alexander the Great defeats Darius III, sealing the fall of the Achaemenid Empire.
Alexander the Great dies in Babylon aged 32, leaving an empire stretching from Greece to India.
Ardashir I defeats the last Parthian king, founding the Sasanian Empire, the last Iranian empire before the rise of Islam.
Rashidun forces defeat the Sasanian army in Iraq, opening the way to the capture of the capital Ctesiphon.
Husayn ibn Ali, grandson of Muhammad, is killed by Umayyad forces at Karbala, an event central to Shia Muslim memory.
A movement rising from Khorasan defeats the Umayyads at the Battle of the Zab, establishing the Abbasid Caliphate.
Caliph al-Mansur builds the 'Round City' of Baghdad as the Abbasid capital; it soon becomes one of the world's largest cities.
At Baghdad's House of Wisdom, al-Khwarizmi writes his treatise on completion and balancing, founding algebra as a discipline; the word "algebra" derives from its title.
Under Caliph al-Ma'mun the House of Wisdom becomes a centre of translation and scholarship, preserving and extending Greek, Persian and Indian learning.
Hulagu's Mongol army takes and devastates Baghdad, killing Caliph al-Musta'sim and ending the Abbasid Caliphate in Baghdad.
Britain and France secretly agree to divide the Ottoman Empire's Arab lands into post-war spheres of influence.
Neighbouring Arab states go to war with Israel; the war ends with the 1949 armistice agreements, and about 700,000 Palestinians flee or are expelled from their homes.
Iran, Iraq, Kuwait, Saudi Arabia and Venezuela found the Organization of the Petroleum Exporting Countries at the Baghdad Conference.
Arab oil producers impose an embargo on countries supporting Israel, causing world oil prices to soar.
Saddam Hussein's Iraq invades Iran, beginning an eight-year war of attrition that kills hundreds of thousands.
Iraqi forces invade and occupy Kuwait, prompting UN sanctions and the formation of a US-led coalition.
A US-led coalition launches Operation Desert Storm, expelling Iraqi forces from Kuwait.
A US-led coalition invades Iraq and topples Saddam Hussein, beginning a long period of occupation and conflict.
The Islamic State group proclaims a 'caliphate' over territory seized in Iraq and Syria; it loses nearly all of it by 2017–2019.