1900 – Present
| 1903 | Land Purchase Act (Wyndham Act). |
| 1906 | Liberals win General Election. |
| 1909 | Land Purchase Act. |
| 1912 | Third Home Rule Bill. |
| 1914 | Outbreak of First World War. IRB decides on Rising. |
| 1916 | Easter Rising in Dublin. May 3-12 executions. |
| 1917 | De Valera wins East Clare. |
| 1918 | November: end of First World War. |
| 1919-21 | Irish War of Independence against Britain. |
| 1920 | Burning of Cork by Auxiliaries. |
| 1921 | December. Anglo Irish Treaty. |
| 1922 | Civil War starts between Free State army and IRA. |
| 1923 | End of Civil war. |
| 1926 | De Valera founds Fianna Fail. |
| 1927 | General Elections in Ireland. De Valera and Fianna Fail enter Dail. |
| 1932 | General Election. Fianna Fail victory. |
| 1937 | Constitution of “Eire”, claims 32 counties. |
| 1939 | Second World War. |
| 1945 | End of Second World War. |
| 1948 | General Election. Fianna Fail defeated. |
| 1949 | Repeal of External Relations Act. Ireland leaves Commonwealth. Republic of Ireland declared (26 counties) |
| 1951-62 | IRA campaign in North. |
| 1955 | Ireland joins the United Nations. |
| 1965 | O’Neill-Lemass Talks. |
| 1967 | Northern Ireland Civil Rights Association founded. |
| 1968 | August: First Civil Rights March. October: Derry Civil Rights March, banned by William Craig, Minister of home Affairs, held but broken up by brutality by police. |
| 1969 | January: People’s Democracy Belfast to Derry Civil Rights March. January 4: Marchers attaacked at Burntollet Bridge. April: O’Neill resigns. Chichester Clark Prime Minister. August 14: British troops sent to Derry. October: Protestant riot in Belfast. |
| 1970 | Dublin Arms Trial. |
| 1971 | First British soldier killed by IRA in Belfast. Chichester Clark resigns, Faulkner Prime Minister. Unionist government of NI introduces internment without trial for suspected Republicans. |
| 1972 | Irelalnd joins the European Economic Community |
| 1972 | January 30: Bloody Sunday in Derry. British paratroopers shoot 13 civilians during civil-rights march. March: Stormont suspended. |
| 1973 | Sunningdale Agreement. |
| 1974 | Ulster Workers Strike brings down Faulkner and Assembly. Direct Rule re-imposed. Loyalits bomb Dublin and Monaghan, killing 30 |
| 1981-82 | Ten Republicans die on hunger strike in Maze Prison, NI Dying hunger-striker Bobby Sands elected to British Parliament |
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| 1993 | Downing Street Declaration; British Government accepts the right of the people of Irelalnd to self-determinination. |
| 1994 | IRA declares cease-fire |
| 1996 | Cease-fire breaks down after Britain’s Conservative government refuses to allow Sinn Fein to join all-party talks on NI. |
| 1997 | IRA cease-fire resumes; talks begin in Belfast between government of Irish Republic, Britain’s ne Labor government, and representatives of all NI’s political parties. |
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| 1998 | Initial peace-plan accepted by all parties. |
