758: The four High Irish Kingdoms unite into one, all island, Kingdom. After a short civil war King Alexander is declared King of all Ireland.
780: First great Rebellion starts, it is crushed by King Alexander I's forces.
784: King Alexander I dies, he is succeded by his son as King Alexander II.
807: Second Great Rebellion takes place, King Alexander II is killed and is succeded by his young son as King Harold I.
812: Viking attack on Ireland repelled by Irish forces.
817: Second attempt to Invade Ireland by the Vikings once again fails.
836: King Harold I dies, he is succeded by is son as King William I.
855: Third Great Rebellion takes place, hundereds die in the "Lurgen massacre"
872: King William I dies, he is succeeded by his son as King Harold II.
875: Continuous Viking invasions until 1030.
898: King Harold II dies after a long reign, he is succeded by his grandson as King Alexander III.
900: Fourth Great Rebellion takes place after attempts by the King to make his daughter the heir to the throne, the first known rules of succession are created in Irish history saying that an daughter may only inherit the throne if she has no male siblings left.
906: First Great Viking Invasion begins, though it is halted by King Alexander's forces.
916: First Great Viking Invasion ends.
922: King Alexander III dies, he is succeded by his son as King Andrew I.
939: Second Great Viking Invasion takes place.
943: Second Great Viking Invasion is defeated by King Andrew I and Crown Prince Turlough
946: Consrtruction begins on the first official royal palace begins in Ireland, the Royal Palace of Cavan
951: Fifth Great Rebellion takes place after the death of King Andrew I, King Turlough manages to quell the rebels.
970: King Turlough's daughter, Edith, Marries Prince Kenneth of Scotland.
974: Third Great Viking Invasion begins.
977: Defeat of the Third Great Viking Invasion, Crown Prince Alexander is killed in battle.
980: King Turlough dies, he is succeded by his second son as King Andrew II.
985: Royal Palace of Cavan is completed.
994: Ireland invades the Isle of Mann.
1002: Fourth Great Viking invasion begins.
1006: Fourth Great Viking invasion ends, King Andrew marries his son, Crown Prince Alexander, to Princess Nikalia of the Byanztine Empire, Byzantine-Irish treaty is signed.
1014: Fifth Great Viking Invasion begins.
1017: Fifth Great Viking Invasion ends, raids would continue until 1030.
1024: King Andrew II dies, he is succeded by his son as King Alexander IV.
1030: Last Viking raid on Ireland is stopped, the Vikings would never again threaten Ireland.
1037: Ireland invades Wales.
1060: King Alexander IV dies, he is succeded by his son as King William II.
1061: Invasion of Wales is completed, the King of Ireland is declared Prince of Wales.
1066: William, Duke of Normandy, becomes King William I of England.
1070: Ireland invades Cornwall, First Norman War begins.
1080: First Norman war ends, Ireland gets Cornwall and areas of Italy.
1094: King William II dies, he is succeeded by his son as King Harold III.
1096: First Crusade begins, King Harold III has his forces join the Crusade.
1099: First Crusade ends in success.
1113: Second Norman War begins.
1118: King Harold III is killed in battle, he is succeeded by his son as King Rory I.
1125: Second Norman War ends, Normans lose Scilly.
1140: King Rory I dies, he is succeeded by his son as King Turlough II.
1143: Following sickness, King Turlough II dies suddenly, without heirs his cousin Constantine Conchobair succeeds to the throne as King Constantine I.
1145: King Constantine joins the second crusade.
1149: Second Crusade ends in failure.
1157: Construction starts on the Belfast Royal Cathedral just outside the small village of Belfast in Ulster.
1169: King Constantine I dies, he is succeeded by his son as King Alexander V.
1189: Third Crusade begins.
1193: Third Crusade ends in failure, though Ireland manages to capture a small stronghold in Northern Palestine.
1197: King Alexander V dies, he is succeded by his son as King Constantine II.
1199: Fourth Crusade starts.
1204: With Crusading forces fast approaching Constantinople, King Constantine of Ireland decides to help the Byzantine Empire on basis of the 1006 treaty, the end result is that the Sack of Constantinople is not as bad as OTL. Later that year the Irish take Normandy before the French do, the First English War begins.
1209: King Constantine II is killed by an English agent, he is succeeded by his daughter as Queen Margaret I, she is the first Queen regent of Ireland.
1216: King John of England dies, his son King Henry makes peace with Ireland and ends the First English War.
1238: Queen Margaret signs the Franco-Irish treaty.
1248: Ireland joins the Seventh Crusade.
1252: Queen Margaret I dies, she is succeeded by her son as King Alexander VI.
1254: Seventh Crusade ends in failure.
1263: The Belfast Royal Cathedral is completed.
1270: Sixth Crusade takes place and ends in failure for France and Ireland, Construction on the Royal Palace of Down-Rock begins.
1271: Ninth Crusade begins.
1272: Ninth Crusade ends in failure, it is the last major attempt to capture the Holy land by European nations.
1280: King Alexander VI dies, he is succeeded by his son as King James I.
1286: King Alexander III of Scotland dies, Alexander has no obvious heirs and so King James of Ireland feels that the he is next in line due to the fact that Princess Edith of Ireland, Daughter of King Turlough I, married King Kenneth II in 970. Though Alexander's supposed distant niece, Margaret, Maid of Norway, is chosen instead.
1290: Queen Margaret of Scotland dies aged just 7, she is succeeded by Baron John de Balliol as King John I, King James decides to make his move by invading Scotland with a 15000 Man army, the English also invade from the south, the War of Scottish Succession begins.
1296: After six years of harsh fighting, Edinburgh, Capital City of Scotland, falls to the Irish forces, however only 5000 of the 15000 men have survived the fighting, King James orders 20,000 more troops to Scotland to fend off the English.
1297: Battle of Hawick takes place, the Irish suffer the most deaths with 12,000 of there 20,000 man army Killed, however the English have almost there entire army destroyed and are forced to make peace, the English and Irish sign the Treaty of York and few months later finalising the peace.
1298: Last Scottish rebels lead by William Wallace and Andrew Moray are defeated, Wallace and Moray are executed by beheading and King James is formally crowned King of Scotland in Edinburgh, the now imprisoned King John is released but banished from Scotland, the War of Scottish succession comes to a close.
1300: The Byzantine Empire has almost fully recovered from the sack of Constantinople in 1204, they defeat an attempted Turk invasion later that year.
1309: King James of Ireland begins his invasion of Naples after land disputes on the Irish-island stronghold of Scilly, Neapalian-Irish war begins.
1311: Siege of Naples begins.
1312: Siege of Naples ends when King James' army marches into the city and burns it down.
1313: After a major defeat at the Battle of Matera, the King Robert of Naples calls for peace, the Treaty of Naples is signed a month later. In the treaty, Ireland obtains most of Southern Italy, considerably shortening down the Kingdom of Naples.
1324: King James I of Ireland dies, he is succeeded by his son as King Harold IV.
1325: King Harold IV is the first monarch of Ireland to be crowned in the Belfast Royal Cathedral.
1337: Hundred years war starts.
1347: First reports of the Bubonic Plague from the Byzantine Empire and Scilly.
1348: Plague reaches Naples, Spain and even as far as Paris. King Harold IV dies, he is succeeded by his son as King Harold V.
1349: Plague reaches England and Wales.
1350: Plague reaches Scotland and finally Ireland.
1352: Plague outbreaks starts to calm down.
1369: Hundred years war continues, Ireland joins the side of England in hope of expanding Irish holdings in France.
1373: Duchy of Brittany is captured by Ireland.
1378: Ireland slowly takes most of the Northern positions of Burgundy.
1382: King Harold V dies, he is succeeded by his son as King Robert I.
1386: The Irish march on Paris, however French superior forces cause a devastating defeat.
1389: Ireland falls out of the war after capturing Brittany, Burgundy and Flanders.