Historical biography archive · Updated 2026-11-03

Miesko I Biography and Timeline

Follow Miesko I through 15 dated historical records for Poland.

Miesko I, historical timeline

A chronological timeline drawn from matching World History Database records.

15Distinct records
1 of 1Page
921–980Years on this page

921

Birth of Miesko I

Duke · House / House of Piast

Birth of Miesko I

Role range: 0960-0992

960

Duke of Poland

Duke · House / House of Piast

Succeeds as Duke of Poland

Role range: 0960-0992

Succession

Duke · House / House of Piast

Succeeds as Duke of Poland

Role range: 0960-0992

964

Capture of Pomerania

Duke · Pomerania · Warfare / Poland-Luticians War

Miesko Is alliance with Germany enables him to capture Pomerania

Role range: 0960-0992

965

Marriage

Duke · House / House of Piast

Marries Dubrawka, daughter of Boleslav I, to cement connection with Bohemia

Role range: 0960-0992

966

Constitution of Poland

Duke · Government / Government of Poland

Founds a centralized state ruled by "ducal law"

Role range: 0960-0992

Baptism

Duke · Religion / Roman Catholic Church

Baptism of Miesko I

Role range: 0960-0992

Gniezno

Duke · Gniezno · Religion / Roman Catholic Church

Founds the archbisopric of Gniezno

Role range: 0960-0992

967

Battle of Cedynia

Duke · Cedynia · Warfare / German-Saxon War

Defeats Margrave Hodo who crosses the Oder

Role range: 0960-0992

Capture of River Oder

Duke · River Oder · Warfare / German-Saxon War

Captues the Oder as far as its mouth

Role range: 0960-0992

Capture of Pomerania

Duke · Pomerania · Warfare / Poland-Luticians War

Invades western Pomerania & captures it

Role range: 0960-0992

973

Peace

Duke · Warfare / German-Saxon War

Otto arbitrates & sides with Margrave Hod

Role range: 0960-0992

977

Alliance Dubrawaka dies and the Polish-Czech alliance erodes

Duke · Warfare / Empire War

Dubrawaka dies & the Polish-Czech alliance erodes

Role range: 0960-0992

979

Invasion of Poland

Duke · Warfare / Empire War

Otto II & Hodo attack Poland but are defeated

Role range: 0960-0992

980

Peace

Duke · Warfare / Empire War

Otto II sues for peace

Role range: 0960-0992

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.