Permanent historical records · Updated 2026-11-03

1400 in Wales

Explore 7 historical events and records for Wales in 1400.

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Historical records for Wales in 1400

Sorted by month and day. Records with no month are shown last. Showing 7 of 7 unique records.

7Unique records

1 of 1Page

5Named events on this page

4Named people on this page

3Places on this page

September

16 September 1400

Succession

Glendower, Owen · Carrog · House / House of Wales

The last independent Prince of Wales, proclaimed by the Welsh landowners. Succeeds as Prince of Wales

17 September 1400

Rebellion of Glendower

Glendower, Gwilym · Warfare / England War

Glendower rebels against Lord Grey of Ruthin, joined by cousins Gwilym & Rhys Ap Tudor

17 September 1400

Rebellion of Glendower

Glendower, Gwilym · Warfare / Military

Glendower rebels against Lord Grey of Ruthin, joined by cousins Gwilym & Rhys Ap Tudor

17 September 1400

Rebellion of Glendower

Tudor · Warfare / England War

Glendower rebels against Lord Grey of Ruthin, joined by cousins Gwilym & Rhys Ap Tudor

24 September 1400

Battle of Welshpool

Glendower, Owen · Welshpool · Warfare / England War

Defeated by the English

September 1400

Rebellion of Wales

Owain Glyn Dwr · Warfare / England War

Owain Glyn Dwr is declared Prince as Wales rebels against English rule

Other events (month unknown)

1400

Constitution of Wales

Glendower, Owen · Machynlleth · Government / Government of Wales

Sets up a Welsh Parliament

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How these records were prepared

Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.