Historical biography archive · Updated 2026-11-03

Ferdinand I Biography and Timeline

Follow Ferdinand I through 20 dated historical records for Bulgaria.

Ferdinand I, historical timeline

A chronological timeline drawn from matching World History Database records.

20Distinct records
1 of 1Page
1861–1948Years on this page

1861

Birth of Ferdinand I

King · House / House of Saxe-Coburg

Birth of Ferdinand I, son of Prince Augustus of Saxe-Coburg-Gotha

Role range: 1908-1918

1887

Succession

King · House / House of Saxe-Coburg

Succeeeds as King of Bulgaria

Role range: 1887-1918

1896

Independence of Bulgaria

King · House / House of Saxe-Coburg

Bulgaria is recognized by Russia

Role range: 1887-1918

1908

Independence of Bulgaria

King · Sofia · House / House of Saxe-Coburg

Delclares the indpendence of Bulgaria

Role range: 1887-1918

Succession

King · Sofia · House / House of Saxe-Coburg

Succeeds as King of Bulgaria,

Role range: 1908-1918

1913

Treaty of London

Tsar · Tsar of Bulgaria · London · Warfare / Balkan Wars, 1st

Bulgaria accepts the peace ending the First Balkan War, including the Ottoman cession west of the Enos-Midia line, while allied territorial disputes remain unresolved.

Role range: 1912-1913 – 1887-1918

Bulgarian Attack on Former Allies

Tsar · Tsar of Bulgaria · Bregalnica · Warfare / Balkan Wars, 2nd

Authorizes military action against Serbian and Greek positions.

Role range: 1913-1913

Greek Entry into the War

Tsar · Tsar of Bulgaria · Kilkis · Warfare / Balkan Wars, 2nd

Faces simultaneous Serbian and Greek offensives.

Role range: 1913-1913

Romanian Mobilization

Tsar · Tsar of Bulgaria · Bucharest · Warfare / Balkan Wars, 2nd

Faces Romanian intervention while fighting Serbia and Greece.

Role range: 1913-1913

Serbian Victory at Bregalnica

Tsar · Tsar of Bulgaria · Bregalnica · Warfare / Balkan Wars, 2nd

Orders withdrawal after Bulgaria fails to defeat Serbia.

Role range: 1913-1913

Romanian Crossing of the Danube

Tsar · Tsar of Bulgaria · Corabia · Warfare / Balkan Wars, 2nd

Diverts attention toward the Romanian advance from the north.

Role range: 1913-1913

Ottoman Advance into Thrace

Tsar · Tsar of Bulgaria · Thrace · Warfare / Balkan Wars, 2nd

Faces an Ottoman advance while Bulgarian armies retreat elsewhere.

Role range: 1913-1913

Ottoman Recapture of Adrianople

Tsar · Tsar of Bulgaria · Adrianople · Warfare / Balkan Wars, 2nd

Loses Adrianople as Bulgarian forces withdraw from Thrace.

Role range: 1913-1913

Second Balkan War Armistice

Tsar · Tsar of Bulgaria · Bucharest · Warfare / Balkan Wars, 2nd

Seeks an armistice after Bulgaria is attacked on several fronts.

Role range: 1913-1913

Treaty of Constantinople

Tsar · Tsar of Bulgaria · Constantinople · Warfare / Balkan Wars, 2nd

Recognizes Ottoman recovery of Adrianople and eastern Thrace.

Role range: 1913-1913

1915

Declaration of War

King · Warfare / World War, 1st

Russia and Italy declare war on Bulgaria

Role range: 1914-1918 – 1887-1918

Alliance Ferdinand I and central powers

King · Warfare / World War, 1st

Takes Bulgaria into the war on the side of the central powers

Role range: 1914-1918 – 1887-1918

Succession

King · Sofia · Warfare / World War, 1st

Succeeds as King of Bulgaria

Role range: 1914-1918 – 1887-1918

1918

Abdication

King · Coburg · Warfare / World War, 1st

Forced to abdicate in favor of his son Boris III after defeat, retires to Coburg

Role range: 1914-1918 – 1908-1918

1948

Death of Ferdinand I

King · House / House of Saxe-Coburg

Death of Ferdinand I

Role range: 1887-1918

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.