Siege of Mequinenza by General Suchet Historical milestone · Mequinenza, Bajo Cinca, Zaragoza Image of Mequinenza, not of the place itself. On 15 May 1810 the French troops of General Suchet began the attack on the fortress of Mequinenza, key to control of the Ebro. The garrison capitulated on 8 June and the name of the stronghold was engraved on the Arc de Triomphe in Paris. 1810 Photo: Ecelan (CC BY-SA 4.0) What to see and do in Mequinenza