Historical biography archive · Updated 2026-11-03

Oku Biography and Timeline

Follow Oku through 3 dated historical records for Japan.

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Oku, historical timeline

A chronological timeline drawn from matching World History Database records.

3Distinct records

1 of 1Page

1903–1911Years on this page

1903

Major General

Count · Major General · Warfare / Military

Appointed Major General

1906

Chief of Staff

Count · Chief of Staff · Warfare / Military

Appointed Chief of Staff

1911

Field Marshal

Count · Field Marshal · Warfare / Military

Appointed Field Marshal

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.