World History Databasehistorysearch.co.uk
Site visits —
Historical biography archive · Updated 2026-11-03

John George I Biography and Timeline

Follow John George I through 12 dated historical records for Germany.

Build a biographyBrowse biographiesBrowse by event

John George I, historical timeline

A chronological timeline drawn from matching World History Database records.

12Distinct records
1 of 1Page
1585–1648Years on this page

1585

Birth of John George I

Elector of Saxony · Saxony · House / House of Wettin

Birth of John George I, son of Elector Christian I

Role range: 1611-1656

1611

Elector

Elector of Saxony · Saxony · Government / Government of Germany

Appointed Elector of Saxony

Role range: 1611-1656

1631

Battle of Breitenfeld, 1st

Elector of Saxony · Breitenfeld · Warfare / Thirty Years War

Troops are routed while fighting for the Protestant alliance

Role range: 1618-1648 – 1611-1656

Alliance John George I and Gustav II Adolphus

Elector of Saxony · Warfare / Thirty Years War

Joins the Protestant alliance with Gustav II Adolphus

Role range: 1618-1648 – 1611-1656

1632

Battle of Lutzen

Elector of Saxony · Lutzen · Warfare / Thirty Years War

Troops are routed while fighting for the Protestant alliance & negotiates for peace

Role range: 1618-1648 – 1611-1656

1635

Rule of Lusatia

Elector of Saxony · Lusatia · Warfare / Thirty Years War

Under the Treaty of Prague John George I receives Lusatia

Role range: 1618-1648 – 1611-1656

Treaty of Prague

Elector of Saxony · Prague · Warfare / Thirty Years War

Under the Treaty of Prague John George I receives Lusatia. Signed after defeats at Breitenfeld & Lutzen. Concludes a peace with Emperor Ferdinand II

Role range: 1618-1648 – 1611-1656

1636

Declaration of War

Elector of Saxony · Saxony · Warfare / Thirty Years War

Declares war on Sweden

Role range: 1618-1648 – 1611-1656

1645

Battle of Wittsock

Elector of Saxony · Wittsock · Warfare / Thirty Years War

The Imperial Saxon Army is forced to make peace. Jointly commands the Imperial Saxon Army which is defeated by Sweden

Role range: 1618-1648 – 1611-1656

1648

Peace of Westphalia

Elector of Saxony · Saxony · Warfare / Thirty Years War

Saxony's possessions are confirmed but Brandenburg gains influence.

Role range: 1618-1648 – 1611-1656

Treaty of Westphalia

Elector of Saxony · Saxony · Warfare / Thirty Years War

Saxony's position is confirmed but its wider German leadership declines.

Role range: 1618-1648 – 1611-1656

Treaty of Westphalia

Elector of Saxony · Westphalia · Warfare / Thirty Years War

Saxony's possessions and peace with Sweden are confirmed, though Brandenburg gains influence.

Role range: 1618-1648 – 1611-1656

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.