Key Facts
- Duration
- July–December 1877 (approx. 5 months)
- Decisive date
- 10 December 1877
- Failed Russian assaults
- 2 before siege strategy adopted
- Key redoubt captured
- Grivitsa redoubt
- Ottoman surrender
- Osman Pasha capitulated to Romanian General Cerchez
Strategic Narrative Overview
Two costly direct Russian assaults on Pleven failed, prompting Grand Duke Nicholas to call on Romanian ally King Carol I for assistance. Carol I assumed joint command and shifted to a siege strategy, cutting off Ottoman supply lines. Russian-Romanian forces captured several redoubts, retaining the Grivitsa position, and maintained the encirclement through the autumn of 1877 until Ottoman supplies were exhausted.
01 / The Origins
Following Russia's declaration of war on the Ottoman Empire in 1877, Russian forces crossed the Danube at Svishtov and advanced into Bulgaria, aiming to cross the Balkan Mountains toward Constantinople. The Ottoman commander Osman Pasha, returning from Serbia, fortified the strategically vital city of Pleven, which sat at a key road intersection and was ringed by defensive redoubts, blocking the Russian advance.
03 / The Outcome
In December 1877, Osman Pasha attempted a breakout but was wounded and the effort failed. He surrendered to Romanian General Mihail Cerchez on 10 December 1877, handing over his sword. The fall of Plevna freed Russian forces to advance through the Shipka Pass, defeat remaining Ottoman defenses, and press toward Constantinople, effectively determining the war's outcome.
Belligerents & Mobilization Analysis
Side A
2 belligerents
Grand Duke Nicholas of Russia, King Carol I of Romania, General Mihail Cerchez.
Side B
1 belligerent
Osman Pasha.
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.