| 3000 BC | The Megalithic tombs are constructed, (Newgrange). |
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| 700 BC | The Celts arrive from parts of Gaul and Britain. |
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| 350 AD | Christianity reaches Ireland. |
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| 432 | St. Patrick arrives in Ireland and confronts King Laoghaire who allows him to spread the word of Christianity in Ireland. |
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| 700-800 | Monastic culture is at its height. |
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| 795 | Invasion by the Vikings. |
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| 1014 | Brian Boru defeats the Vikings at Clontarf. |
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| 1169 | Dermot MacMurrough, the exiled king of Leinster, seeks help from 'Strongbow'. |
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| 1172 | King Henry II of England is declared Feudal Lord of Ireland by the Pope. |
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| 1366 | Statues of Kilkenny belatedly forbid intermarriage of English and Irish. Gaelic culture unsuccessfully suppressed. |
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| 1534-40 | Insurrection by Lord Offaly fails. |
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| 1541 | Henry VIII proclaimed King of Ireland. |
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| 1558-03 | Plantation of Ireland commences under the reign of Elizabeth I. |
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| 1595-03 | Failed uprising of Hugh O'Neil. |
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| 1607 | Flight of the Earls and leading Ulster families go into exile. |
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| 1641 | King Charles I policies cause insurrection in Ulster and Civil War in England. |
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| 1649 | Cromwell invades Ireland. |
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| 1653 | Cromwell's opponents stripped of land under the Act of Settlement. |
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| 1689-90 | Deposed James II flees to Ireland and is defeated at the Battle of the Boyne. |
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| 1704 | The Penal Laws enacted: Catholics are barred from voting, education and the military. |
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| 1775 | American War of Independence instigates Irish unrest. |
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| 1782 | Grattan's Parliament persuades English to declare Irish independence, but in name only. |
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| 1795 | The Orange Order is founded. |
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| 1798 | Uprising by Wolfe Tone and the United Irishmen is crushed. |
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| 1801 | Ireland becomes part of Britain under the Act of Union. |
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| 1829 | Catholic Emancipation Act passed after Daniel O'Connell elected as MP. |
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| 1845-49 | The Great Famine claims over 1 million lives through starvation and disease. Emigration over the next 10 years results in departure of a further 1 million people. |
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| 1879-82 | The Land War is instigated by Parnell who encourages the boycott of repressive landlords. The 3 'F's are gained for the peasantry: Fixity of Tenure, Fair Rent, Freedom to sell their holding. |
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| 1914 | The Implementation of Home Rule is postponed because of the outbreak of World War I. |
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| 1916 | The Easter Rising is led by Pearse, Connolly and others. The 7 leaders are executed which shifts public opinion in favour of the rebels. |
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| 1920-21 | Michael Collins masterminds the War of Independence between Britain and Ireland. The Irish Free State is created (excluding the 6 Northern Counties). |
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| 1922-23 | Civil war breaks out between the Free State Army and the Irregulars (the IRA). |
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| 1926 | Fianna Fail party formed and led by DeVelera. |
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| 1932 | De Valera elected Taoiseach of Ireland. |
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| 1939-45 | Ireland remains neutral during WW2 despite the offer of a United Ireland having been made to DeVelera if Ireland enters the war on behalf of the Allies. |
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| 1948 | Ireland declared a Republic by Costello. Northern Ireland is declared a separate entity. 1969 Rioting between Catholics and Protestants. Civil Rights marches. British troops called in to keep order. |
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| 1971 | Provisional IRA begins campaign to oust British troops from Ireland. |
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| 1972 | Republic of Ireland joins the European Community. |
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| 1985 | Anglo-Irish Agreement signed. |
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| 1994 | Peace Declaration and IRA ceasefire. |
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| 1998 | 'Good Friday' agreement reached promising the creation of a Northern Assembly. |
