Long before Vikings arrived, the maps showed something here. Ptolemy, drawing Ireland from secondhand reports in 150 AD, marked a place called Regia at the bend of the great river - the same spot now called King's Island. Saint Patrick is recorded to have visited in 434, baptising a Dalcassian king on its banks. Saint Munchin, the first bishop, died in 652.

Then in 812 the longships came. The Vikings sailed up the Shannon Estuary, pillaged the settlement, burned Mungret Abbey, and gave the place its enduring name - Hlymrekr in their tongue, Luimneach in Irish. They were eventually driven off. They came back. The Normans arrived in the twelfth century and built King John's Castle on the same island, its drum towers still anchoring the medieval core. St Mary's Cathedral, founded in 1168, stands a few minutes' walk away - eight hundred years of weather and worship written into its stones.

Most Irish cities grew the way medieval cities grow - cramped, crooked, accreted around an original fort or abbey. Limerick has that older heart on King's Island. But south of the river the streets snap to a grid, laid out in the late eighteenth century by an engineer named Davis Ducart for the landowner Edmund Sexton Pery. Newtown Pery is unique in Ireland: a Georgian urban plan executed with Continental discipline.

The wealthy merchants moved out of cramped Englishtown into the new terraces. O'Connell Street became the spine. Brick townhouses with fanlights and cast-iron railings rose along Pery Square and the Crescent. Walk these blocks today and you can still read the eighteenth-century ambition in the proportions - the doorways set just so, the windows shrinking floor by floor. It's the architecture of a city that believed in its own future.

For two weeks in April 1919, a piece of Limerick declared itself a soviet. The British Army had drawn a Special Military Area around the city under the Defence of the Realm Act. The Limerick Trades and Labour Council answered with a general strike. A committee printed its own money, set food prices, and published its own newspapers. The Limerick Soviet collapsed on 27 April, outlasted but not defeated - the strike ended when the Catholic bishop and Sinn Fein leaders urged a return to work.

Three years later the Irish Civil War turned O'Connell Street into a battlefield. Free State troops held Cruises Hotel and the courthouse; anti-Treaty forces held four barracks and most of the rest. Fifteen people died in three days of street fighting, seven of them civilians caught between rifles. Limerick has a long memory for these things, and a longer one for what came earlier - the Cromwellian siege of 1651, the Williamite sieges of the 1690s, and the boycott of 1904 that drove most of the city's small Jewish community out for good.

Frank McCourt grew up in the lanes off Roden Lane in the 1930s and 1940s, and forty years later wrote the Pulitzer Prize-winning memoir that defined Limerick for millions of readers who would never visit it. Angela's Ashes is rain and tuberculosis and a father who drinks the wages. The city has spent decades feeling complicated about the book. The Frank McCourt Museum opened in 2011 in his former school on Hartstonge Street, which suggests something like peace has been made.

The Limerick of McCourt's childhood was a port city in decline. The Limerick of today is something else - third-largest city in the Republic, home to the University of Limerick and Mary Immaculate College, employer for Analog Devices, Cook Medical, and Johnson and Johnson's contact-lens plant at Castletroy. The 2009 closure of the Dell manufacturing facility took 1,900 jobs and an estimated two percent of national GDP with it. The city absorbed the blow and kept going.

Limerick is sometimes called the spiritual home of Irish rugby. Thomond Park, on the north side of the city, hosts Munster - two-time European champions, and the only Irish side to have beaten the All Blacks (12 to 0, in 1978, a result that still gets retold). The county hurling team has won five All-Ireland senior championships since 2018, a dynasty that has the Gaelic Grounds shaking on summer afternoons.

The Cranberries formed here in 1989. Dolores O'Riordan's voice carried Limerick's particular cadence to the rest of the world. Aphex Twin - Richard D. James - was born in the city in 1971, though his family moved to Cornwall when he was an infant. The Rubberbandits made their absurdist comedy from Limerick streetscapes. The city writes itself into its own music, its own books, its own films, and then watches the world watch it back.