Trinity College Dublin

• 1. Introduction

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  Trinity College Dublin sits at the heart of one of Europe's great capital cities, drawing more than two million visitors through its gates every year. Behind those gates lies a place unlike almost any other: a working university where students sit exams in the same squares where rebels were held off with rifle fire in 1916, where a manuscript painted by monks more than a thousand years ago is kept in the same library as a national symbol cast in brass, and where the world's oldest student society still meets every Wednesday evening. Founded in 1592 by royal charter from Queen Elizabeth I, Trinity is Ireland's oldest university in continuous operation. Its full legal name is almost comically grand: the College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin. The questions worth asking about this place run deep. Why did a Protestant queen found a university in a Catholic city? How did a place once associated so tightly with colonial rule become the alma mater of figures as different as Oscar Wilde and Éamon de Valera? And what does it mean that a 14th-century harp sits in the same room as the Book of Kells, the Proclamation of the Irish Republic, and the books of Samuel Beckett?

• 2. A Protestant Fortress

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  Adam Loftus, the Archbishop of Dublin, was the college's first provost. He named the new institution after his own college at Cambridge, and he built it on ground that had recently been seized from the Catholic church: the site of the Augustinian Priory of All Hallows, demolished on the orders of King Henry VIII. That founding geography said everything about what Trinity was meant to be. Queen Elizabeth I established the college explicitly to consolidate Tudor rule in Ireland. For more than two centuries, it functioned as the university of the Protestant Ascendancy, the ruling elite who controlled Irish political and economic life. Catholics were admitted from the start in theory, but for a long period graduation required the taking of an oath that Catholics could not accept. The Roman Catholic Relief Act of 1793 removed that oath requirement, arriving before the equivalent change at Oxford or Cambridge. Yet professorships, fellowships, and scholarships remained reserved for Protestants. The stakes were made vivid in December 1845, when a student named Denis Caulfield Heron had already been declared a Scholar on merit but was denied his place because of his Catholic faith. He took the case to the Irish courts, which issued a writ of mandamus. The decision, reached by Archbishop Richard Whately and John George de la Poer Beresford, confirmed that non-Anglicans could not hold Scholarship, Fellowship, or professorships. Three decades later, Parliament swept away those restrictions entirely. In 1873, all religious tests except those for entry to the Divinity school were abolished by Act of Parliament.

• 3. The Catholic Ban

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  In 1871, just before the last legal barriers to Catholic students fell, the Irish Catholic bishops moved in the opposite direction. Alarmed that Catholics might flood into what they viewed as a thoroughly Protestant institution, the bishops issued a general ban prohibiting Catholics from attending Trinity, with few exceptions. That ban endured for nearly a century. In 1944, Archbishop John Charles McQuaid of Dublin sharpened its teeth, requiring Catholics in his archdiocese to obtain a special dispensation before entering the university or face automatic excommunication. The ban was extended nationally at the Plenary Synod of Maynooth in August 1956. McQuaid became so closely identified with enforcing it from 1956 onward that the ban is now almost exclusively associated with his name in public memory, though before 1956 enforcement had been the responsibility of each local bishop. In 1958, despite all of this, the first Catholic reached the Board of Trinity as a Senior Fellow. The Catholic Church lifted the ban in 1970, and at the same time Trinity authorities invited a Catholic chaplain to take up a post in the college. There are now two Catholic chaplains, and the college chapel has been ecumenical since the same year.

• 4. Easter Rising and Independence

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  During the Easter Rising of 1916, rebel forces targeted Trinity College. The defence was mounted by over 100 cadets led by Captain Ernest Alton, along with fourteen Dominion troops who happened to be on leave, and they held the college until British reinforcements arrived on Wednesday. The Dublin University MP, Sir Edward Carson, afterward offered a silver cup to the Dublin University Officers' Training Corps in thanks. Local businessmen collected £700 to commission two large silver cups and smaller replicas for every UOTC member who had taken part. From July 1917 to March 1918, the Irish Convention met inside the college in an attempt to resolve the political aftermath of the Rising. It failed to reach what it called substantial agreement, and the Irish Free State was established in 1922. The post-independence decades were uncomfortable ones for Trinity. On the 3rd of May 1955, Provost A.J. McConnell wrote in the Irish Times that certain state-funded County Council scholarships excluded Trinity from their list of approved institutions, a situation he argued amounted to religious discrimination forbidden by the Constitution. The college had spent the intervening decades flying the Union Jack on suitable occasions and packing the chapel for the two-minute silence on Armistice Day. By the close of the 1960s, with the overwhelming majority of undergraduates coming from the Republic, the college had, in the words recorded of the period, to a great extent conformed to local patterns.

• 5. The Library and Its Treasures

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  Thomas Burgh's Old Library, begun in 1712, is the oldest building of Trinity's great 18th-century building campaign. It holds approximately five million books in total, and as a legal deposit library under both Irish and UK law, it receives over 100,000 new items every year. Three million of those books are kept off-site in a depository in Santry, from which requests are retrieved twice daily. The Old Library's most visited possession is the Book of Kells, which has been housed there since 1661. The Library also holds the Book of Durrow and the Book of Howth. The Old Library, including the Long Room, draws over 900,000 visitors per year, making it Dublin's second-most visited tourist destination. The Brian Boru harp, one of only three surviving medieval Gaelic harps and a national symbol of Ireland, arrived at the library in 1782. A copy of the Proclamation of the Irish Republic joined the collection in 1916. The library complex also includes the Ussher Library, opened in 2003, which houses the Glucksman Map Library. That collection holds half a million printed maps, the largest cartographic collection in Ireland, including the first Ordnance Surveys of Ireland conducted in the early 19th century. The library's collection of historic scholarship was first endowed by James Ussher, Archbishop of Armagh, who between 1625 and 1656 gave the college his own library of several thousand printed books and manuscripts. In October 2024, the Berkeley Library was renamed the Eavan Boland Library after the Irish poet, becoming the first building named after any woman on Trinity's city-centre site. The renaming came after attention was drawn to George Berkeley's history as a slave trader; a public vote had been held, and Wolfe Tone won it with 31% of the vote, but Trinity chose to name the library after Boland instead.

• 6. Student Life and Societies

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  The College Historical Society, known as the Hist, was founded in 1770, making it the oldest student society in the college by its own calendar records. Winston Churchill and Ted Kennedy have addressed it, and its former members include many prominent figures in Irish history. The University Philosophical Society, known as the Phil, claims a foundation date of 1683, though university records list 1853. Its honorary patrons have included Al Pacino, Desmond Tutu, Sir Christopher Lee, Stephen Fry, and John Mearsheimer. Both societies meet in the Graduates Memorial Building, the Phil on Thursdays and the Hist on Wednesdays. Trinity currently has more than 120 student societies and 47 affiliated sports clubs. Dublin University Football Club, founded in 1854, is the world's oldest documented football club. The Dublin University Fencing Club traces its origins to the 1700s, when a body known as the Gentleman's Club of the Sword existed primarily for duelling practice; the modern club, founded in 1936, has won 43 titles in 66 years. Trinity News, launched in 1953, is Ireland's oldest student newspaper. The literary magazine Kottabos ran from 1869 to 1893, edited by Robert Yelverton Tyrrell, and has been called perhaps the cream of Irish academic wit and scholarship. The annual Trinity Ball, described as Europe's biggest private party, marked its 50th anniversary in 2009, when 8,000 tickets sold out.

• 7. A University Today

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  In 2021, Linda Doyle was elected the first woman Provost of Trinity College, succeeding Patrick Prendergast. The college today has three faculties comprising 25 schools, and its undergraduate acceptance rate averages 17%. Most undergraduate courses run for four years, with students addressed by the archaic titles Junior Freshmen, Senior Freshmen, Junior Sophisters, and Senior Sophisters. A student who scores at least 70% on their examinations earns a first-class honours degree. Since 2018, Trinity has offered a dual BA programme with Columbia University in New York City, with students spending two years at each institution. The college is ranked 75th in the world and 1st in Ireland in the QS World University Rankings for 2025. The Hamilton Mathematics Institute, named in honour of William Rowan Hamilton and launched in 2005, aims to raise the international profile of Irish mathematics through workshops, conferences, and a visitor programme. In 2024, students erected an encampment outside the Book of Kells Museum over the university's ties to Israel. After five nights of protest, the administration said it would not renew business relationships with Israeli companies. By June 2025, Trinity College Dublin severed all ties with Israeli universities and companies, ending investments, commercial relations, academic collaborations, and Erasmus+ exchanges. The university had held investments in 13 Israeli companies, some linked to illegal settlements. A taskforce set up in response to the encampment had recommended the move, and Trinity became the first Irish university to fully divest.