Key Facts
- Duration
- 11 May – 23 June 1854 (43 days)
- Russian force
- Up to 90,000 men with 266 guns
- Ottoman garrison
- 12,000–18,000 troops and Egyptian auxiliaries
- Austrian mobilisation
- 280,000 troops along the Danube
- Siege lifted
- Hours before the planned final assault
Strategic Narrative Overview
Russian forces numbering up to 90,000 men with 266 guns besieged Silistra from 11 May 1854. The Ottoman garrison of 12,000 to 18,000 troops, supported by Egyptian auxiliaries and British military advisers, repelled repeated assaults over six weeks. Russian forces succeeded in capturing key outworks and were preparing a final assault on the citadel when diplomatic and military pressures mounted to a critical point.
01 / The Origins
Russia targeted the Danubian fortress of Silistra to outflank Ottoman defences and pre-empt an expected Allied landing at Varna. The broader Russian strategy anticipated a general Balkan uprising and assumed Austrian and Serbian neutrality. However, Austria feared Russian expansion would destabilise its own Serb population and mobilised forces along the Danube, while Anglo-French troops began arriving in the region, placing Russia in a diplomatically untenable position.
03 / The Outcome
Field Marshal Ivan Paskevich, acting on imperial orders from Nicholas I, lifted the siege on 23 June 1854, just hours before the planned storming. Russia subsequently withdrew from the Danubian Principalities of Wallachia and Moldavia, which were then occupied by Austria under a joint Austrian–Ottoman convention. This ended the Danubian phase of the Crimean War and represented Russia's largest failed siege against an Ottoman fortress.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Ivan Paskevich, Nicholas I of Russia.
Side B
2 belligerents
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.