Siege of the Evil Trench Fortress

The Siege of the Evil Trench Fortress was the first major engagement of the 1825–1826 Insurgency in the North Caucasus. North Caucasian forces led by Yahya Khan of Chakhkeri captured and destroyed the fortress after a week-long siege.

Evil Trench Fortress

The Evil Trench Fortress (Zlobny Okop) was a Russian fortification established in 1820 by Nikolay Grekov near the Chechen villages of Amir-Khan-Kichu, and Kalkan-Yurt, close to present-day Alkhan-Yurt. Its garrison consisted of 100 Russian infantrymen and 30 Cossacks.

Background

During the 1820s, anti-Russian movements spread across the North Caucasus, driven by punitive expeditions, the destruction of villages, heavy taxation, and the execution of local inhabitants under General Aleksey Yermolov. In the first half of 1825, North Caucasian leaders began preparing a new uprising against the Russian Empire. On 29 May, a congress of North Caucasian leaders was held in Mayrtup, Chechnya. The meeting declared a new rebellion under the leadership of the newly elected Imam Muhammad al-Quduqli and the Chechen leader Bey-Bulat Taymiev.

Siege and Aftermath

Following the declaration of the rebellion on 29 May, an open armed rebellion began in late June, when rebel forces led by Yahya Khan of Chakhkeri, an associate of Bey-Bulat Taymiev, besieged the Evil Trench Fortress near present-day Alkhan-Yurt. The siege lasted for about a week. After the fortress's water supply was exhausted, the Russian garrison broke out and retreated to the Groznaya Fortress. This happened at the same time the main rebel force under Taymiev had occupied Atagi.

After capturing the Evil Trench Fortress, the North Caucasian forces destroyed the fortress, which was subsequently abandoned by the Russian authorities. The victory strengthened the position of the rebels along the Sunzha River, and, according to Russian reports, it "emboldened" the Chechens and allowed them to control the riverbanks "to such an extent that our troops could no longer mow enough hay."

Some sources instead attribute the siege and capture of the Evil Trench Fortress to Bey-Bulat Taymiev, placing it after his capture of the Amir-Adzhi-Yurt fortress and before the Siege of Gerzel-Aul. However, this is a misconception, as the siege of Zlobny Okop lasted for a week, while the battle of Amir-Adzhi-Yurt ended on 8 July and the siege of Gerzel-Aul began on 10 July.

Siege of the Evil Trench Fortress

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