Key Facts
- Date
- 13–14 April 1941
- Duration
- Less than 24 hours
- Attacker
- Leibstandarte SS Adolf Hitler (brigade-level)
- Defender
- Greek 20th Infantry Division
- Strategic value
- Main Allied defensive line and Greek Army withdrawal route
Strategic Narrative Overview
First contact was made on the evening of 13 April 1941, when the Leibstandarte SS Adolf Hitler, a motorized brigade-level formation, drove against Greek positions held by elements of the 20th Infantry Division. The Greek defenders attempted to hold the narrow defile through the night, but the German force's mechanized strength and offensive momentum proved difficult to resist. Fighting continued into the following morning as the Greeks sought to maintain cohesion.
01 / The Origins
By April 1941, Germany had launched Operation Marita to overrun Greece and support its Italian ally, which had been stalled by Greek forces in Albania. The Kleisoura Pass, situated between Mt. Vitsi and Mt. Siniatsiko, lay on the primary Allied defensive line and controlled the sole viable withdrawal corridor for Greek divisions still engaged against Italy in Albania, making it a critical objective for advancing German mechanized units.
03 / The Outcome
By midday on 14 April 1941, organized Greek resistance at the pass collapsed. German forces secured the crossing, compromising the main Allied defensive line and threatening to cut off Greek troops withdrawing from the Albanian front. The fall of the pass accelerated the overall disintegration of Greek defensive positions in the region and contributed to the rapid German conquest of mainland Greece within weeks.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Side B
1 belligerent
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.