Longest Reigning Monarchs

 A list of the ten longest-reigning monarchs in British history.

1. Elizabeth II of the United Kingdom
February 6, 1952 - September 8, 2022
70 years

2. Victoria of the United Kingdom
June 20, 1837 - January 22, 1901
63 years

3. George III of the United Kingdom 

October 25, 1760 - January 29, 1820
59 years

4. James VI of Scotland
July 24, 1567 - March 27, 1625
57 years
(Reigned as James I of England and Ireland
for 22 years, March 24, 1603 - March 27, 1625)

5. Henry III of England
October 18, 1216 - November 16, 1272
56 years

6. Edward III of England
January 25, 1327 - June 21, 1377
50 years

7. William I (the Lion) of Scotland
December 9, 1165 - December 4, 1214
48 years

8. Llywelyn (the Great) of Gwynedd
c. 1195 - April 11, 1240
45 years
(Became the dominant ruler of Wales upon receiving fealty from other Welsh lords at the Council of Aberdyfi in 1216; his son Dafydd became the first ruler to claim the title of Prince of Wales)

9. Elizabeth I of England and Ireland
November 17, 1558 - March 24, 1603
44 years

10. David II of Scotland
June 7, 1329 - February 22, 1371
41 years