Historical biography archive · Updated 2026-11-03

John Michael de Robeck Biography and Timeline

Follow John Michael de Robeck through 11 dated historical records for Great Britain.

John Michael de Robeck, historical timeline

A chronological timeline drawn from matching World History Database records.

11Distinct records
1 of 1Page
1915–1915Years on this page

1915

Eighteenth March Battle Plan Confirmed

Admiral Dardanelles Fleet · Dardanelles · Warfare / World War, 1st

De Robeck confirms the plan for battleships to silence the forts while minesweepers clear a passage.

Role range: 1914-1918 – 1915-1916

Dardanelles Fleet Command Assumed

Commander Allied Naval Forces Dardanelles · Dardanelles · Warfare / World War, 1st

De Robeck assumes command of the Allied naval force on the eve of the major Dardanelles attack.

Role range: 1914-1918 – 1915-1915

Inflexible Damaged by Erenkoy Mines

Admiral Dardanelles Fleet · Dardanelles · Warfare / World War, 1st

HMS Inflexible is badly damaged by a mine while withdrawing from the Narrows.

Role range: 1914-1918 – 1915-1916

Irresistible Lost during Strait Assault

Admiral Dardanelles Fleet · Dardanelles · Warfare / World War, 1st

De Robeck's fleet loses HMS Irresistible after the battleship strikes a mine during the assault.

Role range: 1914-1918 – 1915-1916

Ocean Lost during Withdrawal

Admiral Dardanelles Fleet · Dardanelles · Warfare / World War, 1st

HMS Ocean is lost after striking a mine while attempting to assist damaged ships.

Role range: 1914-1918 – 1915-1916

Fleet Withdraws after Battleship Losses

Commander Allied Naval Forces Dardanelles · Dardanelles · Warfare / World War, 1st

De Robeck withdraws after mines and Ottoman fire sink three Allied battleships and damage several others.

Role range: 1914-1918 – 1915-1915

Main Dardanelles Naval Assault Ordered

Commander Allied Naval Forces Dardanelles · Dardanelles · Warfare / World War, 1st

De Robeck orders the principal British and French battleship attack against the Ottoman straits defences.

Role range: 1914-1918 – 1915-1915

Fleet Assault Suspended after Eighteenth March

Admiral Dardanelles Fleet · Dardanelles · Warfare / World War, 1st

De Robeck suspends another immediate battleship assault after the heavy losses of 18 March.

Role range: 1914-1918 – 1915-1916

Land Support Declared Necessary

Commander Allied Naval Forces Dardanelles · Dardanelles · Warfare / World War, 1st

De Robeck tells Allied commanders that troops are required to capture shore batteries before another naval advance.

Role range: 1914-1918 – 1915-1915

Invasion Convoys Escorted to Gallipoli

Admiral Dardanelles Fleet · Aegean Sea · Warfare / World War, 1st

De Robeck provides naval escort, bombardment and landing craft support for the invasion.

Role range: 1914-1918 – 1915-1916

Battleship Support Reduced after U-Boat Losses

Commander Allied Naval Forces Dardanelles · Dardanelles · Warfare / World War, 1st

De Robeck withdraws major warships from close offshore support after submarine attacks sink Triumph and Majestic.

Role range: 1914-1918 – 1915-1915

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.