Sinking of the Ottoman Monitor Seyfi(1877)
Regional placement. The pin represents a wider operational area, corridor, or theater rather than a single confirmed point.
Near Măcin on the Danube
Coordinate source: Wikipedia Action off Măcin
Background
Romanian and Russian forces coordinated Danube operations preparing for the main river crossing. Neutralizing Ottoman monitors was essential to securing the crossing route.
Campaign: Russo-Turkish War 1877-78
Forces Engaged

The Battle
Romanian torpedo launch Rândunica with Russian boats sank the 400-ton Ottoman monitor Seyfi using spar torpedoes.
The Sinking of the Ottoman Monitor Seyfi was fought on May 25–26, 1877 as part of the Russo-Turkish War 1877-78. Romania / Russia (joint) forces, commanded by Major Ioan Murgescu (RO), engaged Ottoman Empire forces under Unknown. Romania / Russia (joint) fielded approximately 29 troops against Ottoman Empire's approximately 50. The Romania / Russia (joint) force comprised 14 naval and 15 naval. The engagement was fought on Danube River near Măcin terrain, employing covert night spar-torpedo attack by 10-ton steam launch against anchored ironclad. It was a naval engagement fought in spring. The defender adopted a hasty defense posture while the attacker employed raid. The battle resulted in a Romania / Russia (joint) victory. Ottoman Empire suffered an estimated 50 casualties. Notable Romania / Russia (joint) officers included Ioan Murgescu (Major, Romanian liaison officer aboard Rândunica).
“"A powerful explosion followed, with debris raising up to 40 meters. After ten minutes the monitor sunk." — Russian naval report
Casualties & Outcome
0 casualties (Romanian-Russian crew); ~50 Ottoman crew lost with ship
Romania / Russia (joint) achieved victory over Ottoman Empire.
Ottoman warships withdrew from exposed Danube positions whenever torpedo boats sighted, ceding river control to allied forces.
Historical Record

Significance & Legacy
First torpedo attack resulting in a ship sinking in Romanian or Russian naval history.
Frequently Asked Questions
- When was the Sinking of the Ottoman Monitor Seyfi?
- The Sinking of the Ottoman Monitor Seyfi took place in 1877. May 25–26, 1877.
- What was the outcome of the Sinking of the Ottoman Monitor Seyfi?
- The Romania / Russia (joint) were victorious against the Ottoman Empire.
- What was the significance of the Sinking of the Ottoman Monitor Seyfi?
- First torpedo attack resulting in a ship sinking in Romanian or Russian naval history.