Old chronicles describe Kilmainham Hill as the camping place of Brian Boru and his army prior to the last decisive Battle of Clontarf on 23 April 1014.
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A state commemoration to mark the 90th anniversary of the Battle of the Somme on 1 July 2006, was attended by the President of Ireland Mary McAleese, the Taoiseach Bertie Ahern, Members of the Oireachtas, leading representatives of all political parties in Ireland, the Diplomatic Corps of the Allies of World War I, delegates from Northern Ireland, representatives of the four main Churches, and solemnly accompanied by a Guard of Honour of the Irish Army and Army Band.
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W.T. Cosgrave, president of the Irish Free State Executive Council then appointed Cecil Lavery to set up a "War Memorial Committee" to advance the memorial process.
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The Memorial Gardens also commemorate all other Irish men and women who at that time served, fought and died in Irish regiments of the Allied armies, the British, Canadian, Australian, New Zealand, South African and United States armies in support of the Triple Entente's war effort against the Central Powers.
American Civil War | National Football League | Irish | National Register of Historic Places | Vietnam War | National Hockey League | American Revolutionary War | Cold War | Iraq War | War of 1812 | England national football team | Spanish Civil War | National Basketball Association | Korean War | National Science Foundation | National Geographic | Irish people | National Trust | Allies of World War II | Irish language | National Endowment for the Arts | English Civil War | National Geographic Society | Gulf War | Argentina national football team | National Trust for Places of Historic Interest or Natural Beauty | National Park Service | National League | Franco-Prussian War | Australian National University |
On 18 May 2011, McDonald led a delegation of UDA brigadiers to the ceremony at the Irish National War Memorial Gardens in Islandbridge, Dublin where Queen Elizabeth II laid a wreath during her three-day visit to the Republic of Ireland.