Constitution of England
For the 1st time England is represented in a single chamber at Westminster Hall
Permanent historical records · Updated 2026-11-03
1265 in England
Explore 85 historical events and records for England in 1265.
Historical records for England in 1265
Sorted by month and day. Records with no month are shown last. Showing 40 of 85 unique records.
85Unique records
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18Named events on this page
8Named people on this page
15Places on this page
January
Constitution of England
Convenes the opening of Parliament which includes commoners for the 1st time
Parliament
Parliament opens with representitives from country gentry & town burgesses. For the 1st time England is represented in a single chamber at Westminster Hall
Parliament
Convenes the opening of Parliament which includes commoners for the 1st time
Reform of Parliament
For the 1st time England is represented in a single chamber at Westminster Hall
Reform of Parliament
Convenes the opening of Parliament which includes commoners for the 1st time
May
Arrest of Henry III
De Montfort captures Henry III at the Battle of Lewes
Battle of Lewes
Allows his men to pursue the rebels far from the field, throwing away his advantage
Battle of Lewes
De Montfort occupies Lewes after the battle Lewes. De Montfort captures Henry III at the Battle of Lewes
Siege of Lewes
De Montfort occupies Lewes after the battle Lewes
Arrest of Edward I
Escapes custody & routs & kills the elder Simon de Montfort at the Battle of Evesham
Arrest of Edward I
Escapes from the captivity of the Barons
Alliance Prince Edward and the Earl of Gloucester
Prince Edward & the Earl of Gloucester meet & agree to restore Henry III
Alliance Prince Edward and the Earl of Gloucester
Prince Edward & the Earl of Gloucester meet & agree to restore Henry III
June
Alliance Simon de Montfort and Prince Llewellyn
Earl Simon meets Prince Llewellyn & is promised 5,000 Welsh spearmen
Siege of Monmouth
Simon de Montforts army isprevented from crossing thw Wye by John Giffard
Siege of Monmouth
Simon de Montforts army isprevented from crossing thw Wye by John Giffard
Mobilization
Edward I joins forces with Gilbert the Red, his 2nd in command
Mobilization
Edward I joins forces with Gilbert the Red, his 2nd in command
Siege of Gloucester
Edward I & Gilbert the Red capture Gloucester
Siege of Gloucester
Edward I & Gilbert the Red capture Gloucester
Siege of Gloucester
Surrenders Gloucester to the Royalists
July
Battle of Evesham
Departs from his siege of Pevensey to support his father who is near Worcester
Siege of Pevensey
Departs from his siege of Pevensey to support his father who is near Worcester
Mobilization
Stays near Kenilworth Castle on his way to support his father near Worcester
Siege of Kenilworth
Decides to march on Kenilwirth from Worcester
Siege of Newport
Prince Edward sinks or captures 11 of Earl Simons merchant ships
Siege of Newport
Prince Edward sinks or captures 11 of Earl Simons merchant ships. Marches to Newport to ship his army across the Bristol Channel
Siege of River Severn
Earl Simon is twice prevented from crossing the Severn by Prince Edward
August
Battle of Kenilworth
Defeats Simon de Montforts troops on their way to support his father near Worcester
Siege of Gloucester
"Let us commend our souls to God, because our bodies are theirs"
Siege of Kenilworth
King Edward's supporters succesfully disband Simon de Montforts forces at Kenilworth
Battle of Evesham
Has the Earl of Leicesters troops trapped & heavily outnumbered at Evesham
Battle of Evesham
Crosses the Severn unaware of the encounter against the barons outside Worcester
Battle of Evesham
Defeat outside Worcester decides the outcome of the Battle of Evesham & of the war
Battle of Evesham
Leaves Worcester for Evesham & blocks de Montforts route to Kenilworth
Battle of Evesham
Reaches Evesham but is intercepted by Prince Edward before he can reach Kenilworth. Marches to Evesham enclosed by a loop in the River Avon on the road to Kenilworth. Arrives at Evesham unaware his sons forces were disbanded by the King at Kenilworth
Battle of Evesham
Mortimer himself kills Simon de Montfort, 6th Earl of Leicester in crushing Montforts army.
Battle of Evesham
Mortimer is awarded Montforts severed head and other parts of his anatomy, which he sent home to Wigmore Castle as a gift for his wife, Lady Mortimer.
Battle of Evesham
Sent by Prince Edward to head off Simon de Montforts route over the Bengeworth Bridge.
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.