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Historical person

Offa Biography

Historical biography and chronological timeline for Offa, based on 36 World History Database records associated with England.

36 records707–83030 events16 places

Chronological biography

707

Succession707
House / House of East Saxons · King · Essex

Succeeds as King of the East Saxons

757

Capture of Mercia757
Warfare / Military · King · Mercia

Offa seeks to establish Mercian hegemony in England

Rule of England757
Warfare / Military · King · Mercia

Offa seeks to establish Mercian hegemony in England

Succession757
House / House of Mercia · King · Mercia

Elected King of Mercia, a patrician of the Royal Line of Mercia descended from Wibba

772

Capture of Sussex772
Warfare / Mercia-Sussex War · King · Sussex

Offa captures Sussex & it ceases to exist as a kingdom

774

Capture of London774
Warfare / Mercia-Saxon War · King · London

Subdues the East Saxons & captures London in open battle

776

Battle of Otford776
Warfare / Mercia-Kent War · King · Otford

Offa is forced to leave Kent for 9 years. Egbert II defeats Offa near Sevenoaks, despite having a much smaller army

777

Capture of Mercia777
Warfare / Military · King · Mercia

Captures Powysland

778

Reform of Currency778
Government / Government of England · King · Mercia

A new silver coin called the Sceatta is minted, becomes the Anglo Saxon coinage

779

Battle of Bensington779
Warfare / Mercia-Wessex War · King · Bensington

Strikes a crippling blow against Wessex in Oxfordshire

Unification779
House / House of Mercia · King · Mercia

1st Anglo Saxon King to call himself "Rex Anglorum", King of the English

780

Offas Dyke780
House / House of Mercia · King · Offas Dyke

Completes 150 mile dyke from the Wye to the Dee. A border with the Welsh territories, extends from the Severn to the Dee Estuary

785

Rule of Kent785
House / House of Mercia · King · Kent

Reasserts his right to Overlordship over Kent

786

Exile of Offa786
House / House of Mercia · King · Mercia

Drives the King of Kents son, Egbert, into exile

Holds the only council in the Anglo-Saxon period to be attended by786
Government / Government of England · King · Mercia

Holds the only council in the Anglo-Saxon period to be attended by papal legates

787

Annointment787
House / House of Mercia · King · Mercia

Offa has his son Egfrith annointed as the next King to ensure his succession

Bishop787
House / House of Mercia · King · Lichfield

Pope Adrian I creates the Bishopric at Lichfield to challenge Canterbury

Recognition of Offa as the King of the English787
Government / Government of England · King

The Pope recognizes Offa as the "King of the English"

Rule of Mercia787
House / House of Mercia · King · Mercia

Has his son Egfrith made King of the Mercians

Succession787
Government / Government of England · King

The Pope recognizes Offa as the "King of the English"

Succession787
House / House of Mercia · King · Mercia

Offa has his son Egfrith annointed as the next King to ensure his succession

789

Capture of Kent789
Warfare / Military · King · Kent

Offas Capture of Kent forces Egbert to live with Charlamagne until 802

Charlamagne closes Frankish ports to English merchants789
Government / Government of England · King · Mercia

Charlamagne closes Frankish ports to English merchants

Invasion of Great Britain789
Warfare / Viking Invasions · King · Dorchester

1st recorded Viking raid in Britain

Siege of Dorchester789
Warfare / Viking Invasions · King · Dorchester

1st recorded Viking raid in Britain

793

Assassination of Ethelbyrht793
House / House of Mercia · King · Tamworth

Ethelbyrht is killed in Offas court while selecting 1 of Offas daughters as a bride

Capture of East Anglia793
Warfare / Military · King · East Anglia

East Anglia quickly submits to Mercian rule

Martyrdom793
Religion / Roman Catholic Church · King · Verulamium

Offa establishes a monastery on the site where Alban was martyred

Siege of Lindesfarne793
Warfare / Military · King · Lindesfarne

The Vikings lay siege to Lindesfarne

794

Death of Offa794
House / House of Mercia · King · Mercia

Has King Ethelbert of East Anglia beheaded

Execution794
House / House of Mercia · King · Mercia

Has King Ethelbert of East Anglia beheaded

Siege of Jarrow794
Warfare / Military · King · Jarrow

The Vikings lay siege to Jarrow

795

Siege of Iona795
Warfare / Military · King · Iona

The Vikings lay siege to Iona

796

Alliance Offa and Charles of the Franks to protect merchants on both sides of the Channel29 July 796
House / House of Mercia · King

Allies with Charles of the Franks to protect merchants on both sides of the Channel

Death of Offa29 July 796
House / House of Mercia · King · Mercia

Marks the end of Mercian dominance in England & the beginning of the rise of Wessex. Death of Offa

830

Capture of Mercia830
Warfare / Military · King · Mercia

Wins back Mercia from Egbert of Wessex who is weakened by Viking invasions

Titles and roles

King

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.