In 1926, the Aga Khan gave a cup ( the Aga Khan Trophy ) to be awarded to the winners of an international team show jumping competition held at the annual horse show of the Royal Dublin Society in Dublin, Ireland every first week in August.

County Dublin was one of the first parts of Ireland to be shired by King John of England following the Norman invasion of Ireland.

Records show the similar game of " crookey " being played at Castlebellingham in 1834, which was introduced to Galway in 1835 and played on the bishop's palace garden, and in the same year to the genteel Dublin suburb of Kingstown ( today Dún Laoghaire ) where it was first spelt as " croquet ".

Following the appointment of the first Lord Mayor of Dublin in 1229, the city expanded and had a population of 8, 000 by the end of the 13th century.

One of the oldest is Dublin Castle, which was first founded as a major defensive work on the orders of King John of England in 1204, shortly after the Norman invasion of Ireland in 1169, when it was commanded that a castle be built with strong walls and good ditches for the defence of the city, the administration of justice, and the protection of the King ’ s treasure.

The first phase of a proposed eastern bypass for the city is the Dublin Port Tunnel, which officially opened in 2006 to mainly cater for heavy vehicles.

Current League Champions and the first Irish side to reach the group stages of a European competition: 2011 – 12 UEFA Europa League group stage Shamrock Rovers play at Tallaght Stadium in South Dublin, play at Richmond Park, and play their home games at the UCD Bowl in Dún Laoghaire – Rathdown, while is based at Tolka Park.

The Dublin Roller Girls were the first roller derby league to form in the country.

The only substantial combat of the first day of the Rising took place at the South Dublin Union where a piquet from the Royal Irish Regiment, encountered an outpost of Éamonn Ceannt's force at the north-western corner of the South Dublin Union.

Three of the unarmed Dublin Metropolitan Police were shot dead on the first day of the Rising and their Commissioner pulled them off the streets.

At first, many members of the Dublin public were simply bewildered by the outbreak of the Rising.

The house and lands of the poet Thomas Tickell were sold in 1790 to the Irish Parliament and given to the Royal Dublin Society for them to establish Ireland's first Botanic Gardens.

The first steps towards reorganizing the defeated Irish Volunteers were taken on 27 October 1917 when a convention took place in Dublin.

The party continued to struggle until the general election of 1989 when the again renamed party won its first seat in parliament, the Dáil, when Roger Garland was elected in Dublin South.

A silver King John penny, amongst the first to be struck in Dublin

" Leaf by Niggle " is a short story written by J. R. R. Tolkien in 1938 – 39 and first published in the Dublin Review in January 1945.

* 1899 – The Irish Literary Theatre in Dublin produced its first play.

* 1834 – Opening of the Dublin and Kingstown Railway, the first public railway on the island of Ireland.

In 1989 the first Porterhouse Brewery was opened in Wicklow, followed by another in Temple Bar, Dublin in 1996.

The first machine specifically designed to perforate postage stamps was invented in London by Henry Archer, an Irish landowner and railroad man from Dublin, Ireland.

RTÉ's first Television soap was Tolka Row was based in urban Dublin.

In 1989 RTÉ decide to produce its first Dublin based soap opera since the 1960s.

In 1838 he began contributing stories to the Dublin University Magazine, including his first ghost story, entitled " The Ghost and the Bone-Setter " ( 1838 ).

The Irish Unionists, led by Sir Edward Carson, opposed home rule in the light of what they saw as an impending Roman Catholic-dominated Dublin government.

The start of the 20th century also saw the opening of a short lived railway station on the Drumcondra and North Dublin Link Railway line from Glasnevin Junction to Connolly Station ( then Amiens Street ).

While most areas of the country saw some violence in 1919 – 1921, the brunt of the war was fought in Dublin and the southern province of Munster.

In August 1922 ( the same month that saw the deaths of Michael Collins and Arthur Griffith ), Na Fianna Éireann sustained a heavy blow when two of their senior officers in Dublin, Seán Cole and Alf Colley, were shot dead by Free State Army Intelligence members at The Thatch, Whitehall.

He engineered confidence and supply agreements with the Independent Socialist TD, Tony Gregory ( in return for £ 100 million of investment in the Dublin North Inner City ; a deal dubbed the Gregory Deal ), the Independent Fianna Fáil TD Neil Blaney and three Workers ' Party TDs, which saw him return as Taoiseach for a second time.

Bloody Sunday ( 30 January 1972 ), saw the killing of 14 unarmed civilians by British paratroopers and a backlash of anti-British feeling in all parts of Ireland, including the burning of the British embassy in Dublin.

In addition many Republican voters were angered by what they saw as Cosgrave's harsh line on the PIRA and the handling of the Dublin and Monaghan Bombings which resulted in the perpetrators walking scot-free.

Expansion saw new bases in the UK established, with Dublin becoming the airline's first overseas hub in 1996. Leisure International Airways was fully integrated after the acquisition by First Choice of Unijet in June 1998.

The Dublin area saw many churches like Saint Stephen's, built in the Georgian architecture | Georgian style during the 18th century.

However, 1996 saw the beginning of Continental Airlines flying between Dublin, Shannon and Newark, New Jersey.

MacBride did not remain in Paris but returned to Dublin and never saw his son again.

At this time Sinn Féin was being infiltrated by the Irish Republican Brotherhood, who saw it as a vehicle for their aims ; it had several local councillors ( mostly in Dublin, including W. T. Cosgrave ) and contained a dissident wing grouped from 1910 around the monthly periodical called Irish Freedom.

The IRB members argued that the aim of dual monarchism should be replaced by republicanism, and that Griffith was excessively inclined to compromise with conservative elements ( notably in his pro-employer position during the 1913 – 1914 Dublin Lockout, when he saw the syndicalism of James Larkin as aimed at crippling Irish industry for Great Britain's benefit ).

Late 2011 / early 2012 saw Orla Kirwan and Caoimhe Dillon engage in numerous shoplifting sprees around Dublin.

* The meltdown in Fine Gael support, which saw the main opposition party drop from 54 to 31 seats, and lose all but three seats in Dublin.

The abolition of the Dublin Castle administration and the Lord Lieutenant in 1922 saw an end to Dublin's traditional " Social Season " or masked balls, drawing rooms and court functions in the Castle.

Both Quinn and Humphreys were elected to the 31st Dail on 27 February 2011, by clever vote management that saw the Labour Party in Dublin South – East secure two seats with only a quarter of the first preference vote.

In 1993, a major milestone for the airport was the signing of a new United States – Ireland bilateral agreement which allowed airlines to operate some direct transatlantic services for the first time to / from Dublin Airport instead of touching down en route at Shannon Airport on the west coast of Ireland ( Shannon had once been a major transatlantic refuelling stop for pre-jet aircraft, and this agreement was designed to protect the interests of the Shannon region when modern jets no longer required a refuelling stop and Shannon saw a fall-off in traffic ).

* The Ulster Unionists ' resistance to All-Ireland self-government remained unresolved, and no account was taken of its reservations to what it saw as Catholic rule from Dublin.

The 1820s saw the commencement of the Plymouth Brethren in Dublin, Ireland and Georgetown, British Guyana.

The government of the new United Kingdom of Great Britain and Ireland saw a need to improve communication links between London and Dublin.

They saw their fears confirmed when SDLP councillor Hugh Logue publicly described the Council of Ireland as " the vehicle that would trundle unionists into a united Ireland " in a speech at Trinity College, Dublin.

Linehan, co-writer of the 1995 Channel 4 sitcom Father Ted, joined at the outset to co-write the series with Moran at the suggestion of producer William Burdett-Coutts after Linehan saw the pilot and had seen Moran performing in Dublin.

The 1989 – 90 season saw Cambridge promoted from the Fourth via the play-offs, when Dublin became the first ever scorer in a Wembley play-off final.