__NOTOC__ This is a timeline of Irish history, comprising important legal and territorial changes and political events in

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

. To read about the background to these events, see

History of Ireland The first evidence of human presence in Ireland dates to around 33,000 years ago, with further findings dating the presence of homo sapiens to around 10,500 to 7,000 BC. The receding of the ice after the Younger Dryas cold phase of the Quaterna ...

. See also the list of Lords and Kings of Ireland, alongside Irish heads of state, and the list of years in Ireland.

Prehistory Prehistory, also known as pre-literary history, is the period of human history between the use of the first stone tools by hominins 3.3 million years ago and the beginning of recorded history with the invention of writing systems. The use of ...

/ centuries: 1st

2nd A second is the base unit of time in the International System of Units (SI). Second, Seconds or 2nd may also refer to: Mathematics * 2 (number), as an ordinal (also written as ''2nd'' or ''2d'') * Second of arc, an angular measurement unit ...

3rd Third or 3rd may refer to: Numbers * 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * Second#Sexagesimal divisions of calendar time and day, 1⁄60 of a ''second'', or 1⁄3600 of a ''minute'' Places * 3rd Street (d ...

4th 5th 6th

7th 7 (seven) is the natural number following 6 and preceding 8. It is the only prime number preceding a cube (algebra), cube. As an early prime number in the series of positive integers, the number seven has greatly symbolic associations in religion ...

8th 8 (eight) is the natural number following 7 and preceding 9. In mathematics 8 is: * a composite number, its proper divisors being , , and . It is twice 4 or four times 2. * a power of two, being 2 (two cubed), and is the first number of t ...

9th 9 (nine) is the natural number following and preceding . Evolution of the Arabic digit In the beginning, various Indians wrote a digit 9 similar in shape to the modern closing question mark without the bottom dot. The Kshatrapa, Andhra and ...

10th 10 (ten) is the even natural number following 9 and preceding 11. Ten is the base of the decimal numeral system, by far the most common system of denoting numbers in both spoken and written language. It is the first double-digit number. The rea ...

11th

12th 12 (twelve) is the natural number following 11 and preceding 13. Twelve is a superior highly composite number, divisible by 2, 3, 4, and 6. It is the number of years required for an orbital period of Jupiter. It is central to many systems ...

13th

14th 14 (fourteen) is a natural number following 13 (number), 13 and preceding 15 (number), 15. In relation to the word "four" (4), 14 is spelled "fourteen". In mathematics * 14 is a composite number. * 14 is a square pyramidal number. * 14 is a s ...

15th 15 (fifteen) is the natural number following 14 (number), 14 and preceding 16 (number), 16. Mathematics 15 is: * A composite number, and the sixth semiprime; its proper divisors being , and . * A deficient number, a smooth number, a lucky ...

16th 16 (sixteen) is the natural number following 15 and preceding 17. 16 is a composite number, and a square number, being 42 = 4 × 4. It is the smallest number with exactly five divisors, its proper divisors being , , and . In English speech, ...

17th

18th 18 (eighteen) is the natural number following 17 and preceding 19. In mathematics * Eighteen is a composite number, its divisors being 1, 2, 3, 6 and 9. Three of these divisors (3, 6 and 9) add up to 18, hence 18 is a semiperfect number. ...

Mesolithic and neolithic periods

Bronze and Iron Ages

1st century

2nd century

3rd century

4th century

5th century

6th century

7th century

8th century

9th century

10th century

11th century

12th century

13th century

14th century

15th century

16th century

17th century

18th century

19th century

20th century

21st century

References