- First humans (33,000 years ago)
- Celtic tribes arrive (600 BC - 400 AD)
- Viking invasion (8th century AD)
- Anglo-Norman invasion (12th century)
- Wars of the Roses (1455-1487)
- Kingdom of Ireland (1542-1800)
- First Desmond Rebellion (1569-1573)
- Second Desmond Rebellion (1579-1583)
- Tudor conquest of Ireland (1529-603)
- Irish Nine Years War (1593-1603)
- Irish Rebellion of 1641
- Irish Confederate Wars (1641-1653)
- Glorious Revolution (1688-1689)
- Williamite War (1689-1691)
- Irish Rebellion of 1798
- United Kingdom of Great Britain and Ireland (1801-1922)
- Great Famine (1845-1852)
- Young Ireland Rebellion (1848)
- Fenian Rising (1866-1871)
- World War I (1914-1918)
- Easter Rising (1916)
- Ireland declares Independence (1919)
- Irish War of Independence (1919-1921)
- Irish Civil War (1922-1923)
- Irish Free State (1922-1937)
- Republic of Ireland (1937 - now)
- World War II (1939-1945)
- Northern Ireland conflict (1960's - 1998)
- Ireland joins the European Union (1973)
- Good Friday Agreement (1998)
(This post includes any nation or civilization that occupied at least a portion of Ireland at some point. Unless specified otherwise, the dates correspond to when a nation or civilization existed, but do not necessarily correspond to occupation of Ireland.)
