''See: Pre-historic Irish Battles ''.
- 457 - Ath Dara
- 464 - First Battle of Dumha Aichir
- 468 - Bri Ele
- 470 - First Battle of Dumha Aichir
- 476 - First Battle of Granard
- 478 - Ocha
- 480 - Second Battle of Granard
- 489 - Cell Osnadha
- 489 - Tailtin
- 492 - Sleamhain, in Meath
- 493 - Catha Corp Naomh Padraigh
- 494 - Ceann Ailbhe
- 496 - Druim Lochmaighe
- 497 - Inde Mor, in Crioch Ua nGabhla
- 499 - Seaghais
- 500 - Lochmagh
- 501 - Freamhain, in Meath
- 506 - Luachair
- 561 - Cul Dremne
- 563 - Moin Dairi Lothar
- 600 - Loch Semhedidhe
- 701 - Corann
- 800 - Ardrahan
- 903 - Bealach Mughna
- 994 - Sack of Domhnach Padraig
- 994 - Sack of Aenach Thete
- 1328 - battle of Thomond. Battle of Devlin (Delbhna Bethra); the MacGeoghegan kills three thousand English.
- 1330 - battle of Fiodh-an-atha; Ualgarg O'Rourke defeated by the English. Ath-Disirt-Nuadan. Berna-an-Mhil; ''Tomaltagh Mac Dermot and Mac William'' were defeated by the Brown Earl and Tomaltach McDonagh.
- 1336 - Castlemore-Costello besieged and demolished by the King of Connacht.
- 1340 - battle of the O Cellaig's.
- 1341 - battle of the Clan Maurice, defeated by the Mayo Bourkes.
- 1342 - battle of Beal-atha-Slisen; King of Connacht defeats the King of Moylurg.
- 1343 - battle of Hy-Many ; MacFeorais and Clanricarde soundly defeat the Ui Maine. Achadhmona; battle between the O'Donnells, in Tirhugh.
- 1345 - battle of Lough Neagh; naval battle between Hugh O'Neill and the Clann Hugh Buidhe.
- 1346 - Calry-Lough-Gill; O Rourke soundly defeated by the O Connors. Brian Mag Mathgamna defeats and kills 300 English somewhere in Thomond.
- 1348 - Ballymote besieged and burned by MacDermot, O Connor defeated.
- 1349 - O Melaghlin of Meath defeated in battle by the English.
- 1355 - ''The English of West Connaught defeated Mac William Burke, and killed many of his people.'' Clanricarde defeats the Mayo Bourkes and the Siol Anmchadha.
- 1356 - Baile-Locha-Deacair
- 1358 - Hugh O Neill defeats the Fer Managh and Orial. O More defeats the English of Dublin in battle.
- 1359 - Ballyshannon.
- 1366 - Srath-Fear-Luirg.
- 1368 - Oriel.
- 1369 - Blencupa.
- 1369 - Lough Erne. English of Munster and Desmond soundly defeated by O Brian, possibly at Limerick.
- 1373 - Annaly.
- 1374 - Niall O Neill defeats the English.
- 1375 - Downpatrick; Niall O Neill defeats the English.
- 1377 - Clann-Cuilein; Clanricarde and his allies defeated. Roscommon; Ruaidri O Conchobhair defeats the Mayo Burkes and the Ui Maine.
- 1379 - Dreach; O Neill Mor defeats Maguire.
- 1380 - Atha-leathann; Clanricarde defeated by Bourke of Mayo. ''A very great defeat was given by Magennis (Art) to the English and the people of Oriol.''
- 1381 - Athlone.
- 1383 - Trian Chongail; Hugh O Neill and Robin savage kill each other in a cavalry charge.
- 1384 - Carrickfergus ''burned by Niall O'Neill, who thereupon acquired great power over the English.''
- 1385 - Hy-Many. Tochar Cruachain-Bri-Ele; O Conchobhair, King of Ui Falighe, soundly defeats the English of Meath.
- 1389 - Caislen an Uabhair.
- 1391 - Bealach-an-Chrionaigh.
- 1392 - Ceann-Maghair.
- 1394 - Ros-mic-Triuin; King of Lenister attacks and defeats the English.
- 1395 - Cruachain; the King of Ui Failghe defeats an English expedition. O Donnell defeats and captures the sons of Henry O Neill.
- 1396 - Creag; O Conchobhair Roe defeats O Conchobhair Donn. O Tuathail of Lenister inflicts a severe defeat on the Anglo-Irish. Sligo - O Donnell and O Connor besiege and burn the town.
- 1397 - Machaire Chonnacht. Bun-Brenoige.
- 1398 - Eachdruim Mac n-Aodha. The O Tooles and O Byrnes defeat the Anglo-Irish, killing the Earl of March. Magh-Tuiredh - O Conchobair Roe and allies defeated by McDonagh.
- 1399 - Tragh-Bhaile; the anglo-Irish defeat the sons of Henry O Neill.
- 1400 - Dunamon.
- 1406 - Cluain Immorrais; King of Ui Falighe defeats the English of Meath.
- 1444 - Duibhthrian; Sligo burned by the O Donnells, Maguires and O Connors.
- 1446 - Cuil Ua bh-Fionntain
- 1449 - Muintir-Maelmora
- 1452 - Cloch-an-bhodaigh; Coirrshliabh na Seaghsa
- 1453 - Ardglass (naval battle)
- 1454 - Inis
- 1455 - Athlone: ''The castle of Athlone was taken from the English, having been betrayed by a woman who was in it.''
- 1456 - Cuil Mic an Treoin (Friday 18th May)
- 1457 - Druim da Ethiar
- 1460 - Corca Bhaiscinn (naval battle)
- 1461 - Ceann Maghair
- 1462 - Waterford taken by the Butlers in a war with the FitzGeralds.
- 1464 - Sliabh Lugha
- 1465 - Carn Fraoich
- 1466 - Offaly; Anglo-Irish army defeated by O Connor
- 1467 - CrosMoighe-Croin
- 1468 - Beann-uamha; Scormor, in Clann Chathail mic Murray
- 1469 - Baile-an-Duibh; The Defeat of Glanog
- 1473 - Doire-Bhaile-na-Cairrge
- 1475 - Baile-Locha-Luatha
- 1476 - Beal Feirste (Belfast)
- 1478 - Sligo, and the siege of Carrig Lough Ce
- 1482 - Ath-na-gCeannaigheadh
- 1483 - Traghbhaile of Dundalk
- 1484 - Moin-Ladhraighe
- 1486 - Tirawley
- 1488 - two sieges of Carraig Lough Ce
- 1489 - Belfast castle demolished by O Donnell; Ballytober Bride sacked by O Connor Roe
- 1490 - Maigh Croghan
- 1493 - Glasdromainn; Beanna Boirche;
- 1494 - O Donnell besieges Sligo for several months in the summer, but is unsuccessful
- 1495 - O Donnell besieges Sligo again; battle of Beal an Droichit; siege of Ballyshannon; battle of Termon-Daveog
- 1497 - Bealach-Buidhe; Beal Ath Daire.
- 1498 - Cros-Caibhdeanaigh. Dungannon.
- 1499 - Tulsk. First recorded death in Ireland from a bullet.
- 1504 - Battle Of Knockdoe - Fitzgeralds of Kildare defeat the Clanricarde Burkes.
- 1572 - First Sack of Athenry
- 1573 - Beal an Chip
- 1577 - Second Sack of Athenry
- 1577 - siege of Loughrea
- 1580 - sack of Loughrea
- 1579 - Lisdalon
- 1580 - Cill Tuathail
''see also Battles Of Irish Rebellion 1798
Several fragments of the rebel armies of the Summer of 1798 survived to fight on both in the hope of the rebellion breaking out again and of French aid. The main guerrilla groupings were:
- 1831 - 1836 A period of rural insurgency over the payment of tithes to the Established Church.
''The 20th century saw a great deal of political violence in Ireland, but very little set-piece warfare and no pitched battles. This page aims to provide a link to the larger and more strategically significant military actions in this period.''
Northern Ireland ''' 1969-98 - a communal conflict within Northern Ireland.
- 1960 Niamba Ambush - Irish platoon massacared in the Congo. Two survivors.
- 1961 Siege Of Jadotville - 150 Irish UN troops withstand a four-day siege by upwards of four thousand Kataganians in the Congo.
- 1961 The Second Battle for the Tunnel - Irish 36th Battallion capture a vital communications link in Elisabethville, Congo. One officer, one solider, killed in action.
- 2004 Gbapa, Nimba county, Liberia - Irish Army Ranger Wing rescue villagers from Government of Liberia (GOL) forces.
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