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 Cilician Gates under their control. Battle of the Cilician Gates The Battle of the Cilician Gates in 39 BC was a decisive victory for the Roman general Publius Ventidius Bassus over the Parthian army and its Roman allies who served under Quintus Labienus in Asia Minor. Parthian forces made a number of raids into Roman territory after the defeat of the Roman army under Crassus at the Battle of Carrhae. The Romans under Gaius Cassius Longinus defended the border against these Parthian incursions successfully. However, in 40 BC a Parthian invasion force allied with rebel Roman forces who served under Quintus Labienus