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 Nervasos Mountains Battle of the Nervasos Mountains The Battle of the Nervasos Mountains (Spanish: Batalla de los Montes Nervasos) occurred in the year 419 and was fought between a coalition of Suebi, led by King Hermeric together with allied Roman Imperial forces stationed in the Province of Hispania, against the combined forces of the Vandals and Alans who were led by their King Gunderic. This battle occurred in the context of a contemporary Germanic invasion of the Iberian Peninsula. The battle took place in what is today the Province of León, Spain, and resulted in a Roman/Suebian Victory. Between the years 409