Penetrating to Aquileia, Constantine was met by the vanguard of the army of Constans and was killed in the ensuing battle.
Manuel's experienced generals warned of impending disaster, but he chose instead to follow the advice of the battle-hungry younger princes, sending the vanguard of the army through the Tzibritze pass.
Shahrbaraz feigned retreat to lead the Byzantines into an ambush, and the vanguard of Heraclius' army was destroyed within minutes.
In summer 727, another large-scale invasion was led by Mu'awiya, with Abdallah al-Battal heading the vanguard of the army.
On September 18 the vanguard of his army had reached a position just north of Saratoga, about 4 mile from the American defensive line, and skirmishes occurred between American scouting parties and the leading elements of his army.
On September 18 the vanguard of his army had reached a position just north of Saratoga, about 4 mile from the American defensive line, and skirmishes occurred between the leading elements of the armies.
This was evidence that the division of Bruyères, of which they were a part, had been much used by always being placed at the vanguard of the army, resulting in the loss many of the best and bravest troopers.
The Albanians, who formed the vanguard of a Turkish army advancing to join the siege, were routed, but Botsaris, who had proved to be one of the most promising commanders of the Greek forces, was killed.
Because demons were believed to inhabit waterless wastelands, where hungry and tired persons often had visual and auditory hallucinations, early Christian monks went into the deserts to be the vanguard of God's army in joining battle with the tempting devils.
The Arabs arrived before the city in late July, with al-Battal's vanguard preceding the main army.
Rhys did not oblige at the time, but released him the following year and in 1169 Fitz-Stephen led the vanguard of a Norman army which landed in Wexford.
