59 of them: one for every age of Irish history, and one for every county. None of them is a pub-quiz myth. Each one was checked on the page it comes from, and says so where the experts still argue.
Ireland was long said to have had no human Ice Age at all. One of the very few countries on Earth with no Palaeolithic. That is no longer safe to say. A bear’s kneecap from a Clare cave, cut with stone tools and dated to 10,860–10,641 BC, was published in 2016 as the first evidence of people here in the Palaeolithic, and archaeologists are still arguing over it. And because the sea rose before the snakes, spiders and moles could follow — St Patrick was 8,000 years too late to banish any serpents.
Newgrange is older than Stonehenge and the pyramids — and ancient DNA from the man buried in its central chamber suggests he was the child of an incestuous elite union, the kind history otherwise records only in god-king dynasties like Egypt's.
There is more prehistoric gold from Ireland in museums than from almost any other country in western Europe — yet no one has ever found the mother lode. Where Bronze Age Ireland got all its gold is still an unsolved scientific puzzle.
Around 148 BC, someone built a two-kilometre oak road across a Longford bog, the Corlea trackway, using two hundred great oaks, and the bog swallowed it whole within a decade. Archaeologists still debate whether it was for wheels, for kings, or for the gods.
Ptolemy's map holds a genuine mystery: Nagnata, a 'notable city' in the west of Ireland — in an island that had no cities. Sligo Bay? A great fair-site? A misplaced monastery of rumour? Two thousand years on, no one has found it.
The Irish word for province is still cúige — literally 'a fifth'. And Ireland was never actually isolated: Roman coins, wine jars and even a possible trading post at Drumanagh show constant traffic with the empire that never invaded.
Patrick was not the first. Rome sent Bishop Palladius 'to the Irish believing in Christ' in 431, a year before Patrick, but his mission was quietly absorbed into the Patrick legend by later propagandists of Armagh.
We know these scribes intimately because they doodled. In the margins of holy books they left complaints and poems — about bad ink, cold fingers, a blackbird singing, and one immortal ode to a cat called Pangur Bán.
Viking Dublin ran one of the largest slave markets in western Europe — Irish captives were sold as far away as Iceland and Islamic Spain, which is why Icelandic DNA is heavily Irish on the maternal line.
The Norse never conquered Ireland the way they conquered half of England — but they gave Ireland almost all of its oldest cities, and words like 'margadh' (market) and half the coastal place-names from Strangford to Smerwick.
Brian Boru never fought at Clontarf. Seventy-three years old, he prayed in his tent behind the lines — where the fleeing Viking Brodir cut him down. And the battle itself was as much Irish civil war as Irish-versus-Viking: Leinster fought against Brian.
England's claim rested on Laudabiliter, a papal bull 'granting' Ireland to Henry II — issued by Adrian IV, the only Englishman ever to be pope. Scholars still argue about whether the document was genuine.
For two years Ireland had a Scottish king. Edward Bruce, brother of Robert, was crowned King of Ireland in 1316 and ravaged the colony until he was killed at Faughart in 1318 — during a famine so dire the annals accuse his own army of cannibalism.
The Statutes of Kilkenny (1366) banned the colonists from speaking Irish, marrying Irish spouses, playing hurling, or keeping Irish poets. Laws like that are only passed when the battle is already being lost.
In 1487 Ireland crowned a King of England. The Dublin establishment crowned the ten-year-old pretender Lambert Simnel as 'Edward VI' in Christ Church Cathedral and invaded England on his behalf. After the defeat, Henry VII pardoned the boy — and set him to work in the royal kitchens.
In 1593 the pirate queen Gráinne Mhaol, Grace O'Malley of Mayo, sailed to Greenwich and negotiated with Elizabeth I face to face. Having no English and the queen no Irish, the two women conversed in Latin.
Derry became 'Londonderry' for the bluntest of reasons: the City of London's livery companies (grocers, fishmongers, goldsmiths) financed and owned the new walled city as a commercial venture. Their successor body still exists.
For seven years Kilkenny was effectively the capital of an independent Catholic Ireland, with its own parliament, mint, printing press and ambassadors from Rome, Spain and France — a fact quietly absent from most schoolbooks.
The Famine you haven't heard of: Bliain an Áir, the 'Year of Slaughter' (1740–41), when arctic weather killed perhaps one Irish person in eight — proportionally deadlier than the Great Famine a century later, and almost entirely forgotten.
The Union was bought. Some £1.5 million in secret-service money, pensions and 28 new peerages secured the votes of the Irish Parliament — a purchase so notorious that even contemporaries called it the most corrupt transaction of the age.
In 1847 the Choctaw Nation of Oklahoma, sixteen years after their own Trail of Tears, collected $170 for Irish famine relief. Ireland never forgot: a sculpture in Cork honours the gift, and Irish donors repaid it during Covid to the Navajo and Hopi nations.
The word 'boycott' is a Mayo export. In 1880 the Land League ostracised land agent Captain Charles Boycott so completely (no labourers, no shops, no postman) that within weeks his name was a verb in newspapers worldwide.
The 1916 Proclamation, addressed to 'Irishmen and Irishwomen', guaranteed equal suffrage — two years before any woman could vote in Britain. And it was signed under a socialist's printing press: half the type came from a Christmas-cracker fonts drawer, which is why its lettering is famously mismatched.
Partition was supposed to be provisional. The Boundary Commission of 1925 was widely expected to transfer large nationalist areas to the Free State — but its report was leaked, suppressed, and buried by all three governments. It has only been public since 1969.
D-Day was launched on an Irish weather report. On 3 June 1944 Maureen Flavin Sweeney at Blacksod lighthouse, Co. Mayo, logged a rapidly falling barometer — the reading that made Eisenhower delay the invasion by 24 hours, dodging a Channel storm that could have wrecked it.
Through the worst of the Troubles, a Derry shopkeeper named Brendan Duddy ran a secret back-channel between the IRA and British intelligence from his own living room — for over twenty years. The peace process travelled through his front door.
Only around 2021 did the island's population finally pass eight million again — the level it last held in 1845, on the eve of the Famine. It took 176 years to come home to that number.
When the Spanish Armada galleass La Girona sank off the Antrim coast in 1588, it carried the treasure of three ships — much of it now glitters in the Ulster Museum.
Navan Fort (Emain Macha), capital of the Ulaid, was deliberately burned and buried under a giant mound by its own people around 95 BC — a ritual no one has fully explained.
The capstone of Browneshill Dolmen weighs roughly 100 tonnes — believed to be the heaviest in Europe. How Neolithic farmers raised it remains an open question.
The mighty Shannon begins as a quiet pool on the slopes of Cuilcagh — the Shannon Pot, where the goddess Sionann was said to have drowned seeking forbidden wisdom.
The people buried beneath Poulnabrone dolmen in the Burren died more than a thousand years before the Great Pyramid of Giza was built.
In 1920 Cork lost two Lord Mayors in seven months: Tomás Mac Curtain was shot in his home, and Terence MacSwiney died on hunger strike in Brixton Prison after 74 days.
Tory Island, nine miles offshore, still recognises a 'King of Tory' — for generations the islanders' chosen spokesman greeted every visitor stepping off the ferry.
Tradition holds that Ireland's three patron saints (Patrick, Brigid and Colmcille) all lie buried on one hill at Downpatrick.
Dublin takes its name from Duiblinn, the 'black pool' where the Vikings moored their longships — it still exists, hidden beneath the Dublin Castle gardens.
On Boa Island in Lough Erne stands a two-faced stone idol older than Christianity in Ireland. Nobody knows which god, or gods, it shows.
The Claddagh, the old fishing village facing Galway city, elected its own king into the 20th century — his boat carried a white sail among the brown.
Monks lived on the bare sea-crag of Skellig Michael, eight miles into the Atlantic, for some 600 years — in beehive huts that stand intact today.
A perpetual flame burned for St Brigid at Kildare, tended by nuns for centuries until the Reformation. It was solemnly relit in 1993 and burns again today.
Ireland's first witchcraft trial condemned Alice Kyteler of Kilkenny in 1324. She escaped abroad; her maid Petronilla de Meath was burned in her place.
The Rock of Dunamase came to Strongbow as the dowry of Aoife MacMurrough — the marriage that opened Ireland to the Normans.
Leitrim held 155,000 people before the Famine. By the 1990s it held barely 25,000 — the steepest long fall of any Irish county.
The Treaty of Limerick (1691) was reputedly signed on a stone still displayed in the city — and its promises to Catholics were broken, it was said, 'before the ink was dry'.
Derry's walls have never been breached — hence 'the Maiden City'. It was thirteen apprentice boys who shut the gates against King James in 1688.
Beneath a Longford bog lay the Corlea trackway — a great oak road built in 148 BC, wide enough for wheeled carts, preserved perfectly for 2,000 years.
Ireland's smallest county is the stage of its greatest epic: the Táin Bó Cúailnge, where the boy-warrior Cúchulainn defended Ulster single-handed at the fords.
In 1798 a French army landed at Killala and a short-lived 'Republic of Connacht' was declared in Castlebar — the British rout there is still called the Races of Castlebar.
Newgrange is older than Stonehenge and the pyramids of Giza. Once a year, at the winter solstice, the rising sun still threads its passage exactly as designed 5,200 years ago.
Monaghan's drumlin fields, Patrick Kavanagh's 'stony grey soil', were shaped not by farmers but by the ice sheets of the last glaciation.
From 1845 to 1917 the largest telescope on Earth was not in London or Paris but at Birr Castle — the 'Leviathan of Parsonstown', which first revealed the spiral shape of galaxies.
At Rathcroghan, seat of Queen Medb, a cave called Oweynagat was known to medieval scribes as 'the gate of hell' — one claimed origin of the Samhain traditions behind Halloween.
The great cairn on Knocknarea is said to hold Queen Medb, buried standing upright in full armour, facing her enemies in Ulster. It has never been excavated.
In 1101 the King of Munster gave the Rock of Cashel, seat of kings for 600 years, to the Church, a grand gesture that conveniently denied it to his rivals.
The Beaghmore stone circles lay hidden under blanket bog for 3,500 years, and were only uncovered by turf-cutters in the 1940s. More may still lie beneath.
Waterford (Norse Veðrafjǫrðr, founded 914) is Ireland's oldest city, and Reginald's Tower its oldest building still in civic use — it has stood guard for over 800 years.
The Hill of Uisneach was the mythic centre of Ireland, where all five provinces met at the Catstone and the great Bealtaine fires were lit — answered by fires on hills across the island.
'At the creek of Baginbun, Ireland was lost and won' — the first Norman force dug in on this small Wexford headland in 1170 with fewer than a hundred men.
Wicklow was the last county in Ireland to be created (1606) — its mountains sheltered the O'Byrnes and O'Tooles, unconquered for 400 years within sight of Dublin Castle.
Ireland was long said to have had no human Ice Age at all. One of the very few countries on Earth with no Palaeolithic. That is no longer safe to say. A bear’s kneecap from a Clare cave, cut with stone tools and dated to 10,860–10,641 BC, was published in 2016 as the first evidence of people here in the Palaeolithic, and archaeologists are still arguing over it. And because the sea rose before the snakes, spiders and moles could follow — St Patrick was 8,000 years too late to banish any serpents.
Newgrange is older than Stonehenge and the pyramids — and ancient DNA from the man buried in its central chamber suggests he was the child of an incestuous elite union, the kind history otherwise records only in god-king dynasties like Egypt's.
Dublin takes its name from Duiblinn, the 'black pool' where the Vikings moored their longships — it still exists, hidden beneath the Dublin Castle gardens.
Know one we have wrong, or a better one for your county? Tell us. · Why every county has its nickname · The creatures of Irish folklore · All the eras