Battle of the Trench enemy in the open (which led to victory at Badr), and waiting for them inside the city (a lesson learnt from the defeat at Uhud) were both suggested. Ultimately, the outnumbered Muslims opted to engage in a defensive battle by digging deep trenches to act as a barrier along the northern front. The tactic of a defensive trench was introduced by Salman the Persian. Every capable Muslim in Medina including Muhammad contributed to digging the massive trench in six days. The ditch was dug on the northern side only, as the rest of Medina was surrounded by rocky mountains and
Battle of the Fischa battle was a victory for the Hungarian army, which defeated a great knight army during an open battle at first. Battle of the Fischa The Battle of the Fischa or Battle of the Leitha took place on 11 September 1146 near the Fischa River at the border of the Kingdom of Hungary and the March of Austria, which belonged to the overlordship of the Dukes of Bavaria and it was ruled by margraves of the Franconian Babenberg dynasty. The opponents were a Bavarian army led by duke Henry XI and the Hungarian army under the leadership of king Géza II