Open Travel Guide
History of Northern Ireland

Northern Ireland History & Heritage Guide 2026

Northern Ireland's past, on the ground: the sites, museums, and eras that explain what you're seeing.

Northern Ireland has 7+ historical sites covered in this guide, led by Carrickfergus Castle, Dunluce Castle and Derry City Walls. Each entry below includes the practical details — what it costs, when to go, and how to plan around it.

Northern Ireland is a land of dramatic contrasts — volcanic basalt coastlines, rolling green drumlins, and a capital city that has transformed itself from a divided post-industrial city into one of Europe's most vibrant short-break destinations. From the otherworldly columns of the Giant's Causeway to the Titanic Quarter's stainless-steel galleries, Northern Ireland rewards visitors who look beyond the obvious.

Historical timeline

Key moments that shaped Northern Ireland.

  1. 1

    Giant's Causeway basalt columns formed by volcanic activity

    c.60 million BCE
  2. 2

    Neolithic tombs built (Legananny Dolmen, County Down)

    c.3500 BCE
  3. 3

    St. Patrick returns to Ireland as a bishop; establishes church at Armagh

    432 CE
  4. 4

    Carrickfergus Castle founded by Anglo-Norman John de Courcy

    1177
  5. 5

    Walled city of Londonderry (Derry) completed by London Guilds

    1613
  6. 6

    United Irishmen rebellion; Battle of Antrim

    1798
  7. 7

    RMS Titanic launched at Harland & Wolff, Belfast

    1911
  8. 8

    Ulster Solemn League and Covenant signed against Home Rule; 500,000 signatories

    1912
  9. 9

    Northern Ireland established; Belfast becomes capital

    1921
  10. 10

    Civil rights marches; onset of the Troubles

    1968
  11. 11

    Bloody Sunday — British troops kill 14 civilians in Derry

    1972
  12. 12

    Good Friday Agreement signed; ending the Troubles

    1998
  13. 13

    Titanic Belfast museum opens on the centenary of RMS Titanic's sinking

    2012

Historical sites

Places where Northern Ireland's past comes alive.

Historic

Carrickfergus Castle

Where: County Antrim

Admission: Adults £6, children £4 (~$8/$5)

Historic

Dunluce Castle

Where: County Antrim

Admission: Adults £6, children £3 (~$8/$4)

Historic

Derry City Walls

Where: Derry~Londonderry

Admission: Free

Historic

Museum of Free Derry

Where: Bogside, Derry~Londonderry

Admission: Adults £5, children £2 (~$6/$3)

Historic

Ulster Museum

Where: Belfast

Admission: Free

Historic

Armagh Cathedral (Church of Ireland)

Where: Armagh

Admission: Free (donations welcome)

Historic

Legananny Dolmen

Where: County Down

Admission: Free