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| | | 600 BC | 600-150 B.C. - Celtic tribes settled on the island | |
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| | | 100 BC | Arrival of the Gaels | |
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| | | 0 | The birth of Jesus Christ | |
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| | | 14AD | Death of Augustus and Tiberius, stepson of Caesar Augustus, becomes emperor until 37AD | |
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| | | 33 AD | Crucifixion of Jesus in the Roman province of Jerusalem and the origin of Christianity | |
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| | | 432 | Arrival of St. Patrick to help convert pagan Irish Gaelic Kings to Christianity | |
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| | | 800 | Ireland attacked by Viking Norsemen | |
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| | | 920 | Vikings established settlements at Limerick | |
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| | | 940 | Brian Boru was born who was the son of a leader of one of the royal free tribes of Munster | |
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| | | 999 | Brian Boru defeats the Vikings | |
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| | | 1166 | Reign of Rory O'Connor who was the last native High King of Ireland (1166-1175) | |
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| | | 1167 | Arrival of Normans at Baginbun in Co. Wexford which initiated the struggle between the English and the Irish | |
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| | | 1388 | The Statutes of Kilkenny: forbidding Irish/English marriages and prevented the use of Irish language, custom or laws | |
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| | | 1500's | Anarchy in Ireland and the failed Kildare Rebellion
Ireland were ruled by the senior nobles and monarchy of England
The Irish War also known as the Desmond Rebellions - A series of Rebellions regarding control over the province of Munster over three decades 1560's, 1570's and 1580's | |
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| | | 1594 | The Tyrone Rebellion, also known as the Nine Years War from 1594 - 1603 | |
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| | | 1603 | Accession of James 1 and the enforcement of English Law in Ireland | |
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| | | 1641 | Great Catholic-Gaelic rebellion for return of lands | |
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| | | 1649 | The Protestant Lord Protector of England, Oliver Cromwell, landed at Dublin. 2,000 Irish were killed and great part of Irish lands were confiscated and divided among the English. The population of Ireland was reduced by two thirds during Cromwell's rule when the Irish were sent as slaves to work on plantations in the islands in the Caribbean | |
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| | | 1660 | The English monarchy is restored by the accession of King Charles II | |
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| | | 1689 | Siege and relief of Derry
King James II's Parliament restores all lands confiscated since 1641 | |
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| | | 1690 | Battle of the Boyne: William of Orange (William III) lands at Carrickfergus and defeats James II at Battle of the Boyne | |
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| | | 1695 | Anti-Catholic Penal Laws were introduced | |
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| | | 1700's | By the early 1700's Catholics hold just 7% of land in Ireland | |
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| | | 1798 | Irish Revolution, the 'Young Ireland' rebellion failed | |
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| | | 1845 | 1845-1849 The Irish Potato Famine: Many Irish emigrate to America and the population of Ireland drops from 8 million to 6 million due to death from starvation or emigration | |
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| | | 1914 | 1914 - 1918 - World War 1 | |
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| | | 1916 | Easter Rising in Dublin | |
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| | | 1919 | 1919-1921: Irish War of Independence against Great Britain which ended in the Anglo Irish Treaty | |
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| | | 1920 | Government of Ireland Act 1920: Ireland was partitioned, with the unionist-dominated north east becoming Northern Ireland | |
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| | | 1922 | 1922 - 1923 - Irish Civil War between the Free State army and IRA | |
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| | | 1926 | De Valera founds Fianna Fail | |
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| | | 1937 | The Constitution of "Eire" | |
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| | | 1939 | 1939 - 1945 1939-1945 World War 2 | |
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| | | 1945 | August: The United States drop atomic bombs on Hiroshima and Nagasaki and WW2 ends | |
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| | | 1949 | Republic of Ireland declared | |
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| | | 1951 | 1951-1962 IRA campaign in Northern Ireland | |
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| | | 1969 | British troops sent to Derry | |
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| | | 1971 | Unionist government of NI introduces internment without trial for suspected Republicans | |
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| | | 1994 | IRA declares cease-fire | |
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| | | 1998 | Initial peace-plan, the Good Friday Agreement, accepted by all parties | |
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