Colours, standards and guidons

In military organizations, the practice of carrying colours, standards or guidons, both to act as a rallying point for troops and to mark the location of the commander, is thought to have originated in Ancient Egypt some 5,000 years ago. The Roman Empire also made battle standards a part of their vast armies. It was formalized in the armies of Europe in the High Middle Ages, with standards being emblazoned with the commander's coat of arms.

General use

As armies became trained and adopted set formations, each regiment's ability to keep its formation was potentially critical to its, and therefore its army's, success. In the chaos of battle, not least due to the amount of dust and smoke on a battlefield, soldiers needed to be able to determine where their regiment was.

Regimental flags are generally awarded to a regiment by a head-of-State during a ceremony. They were therefore treated with reverence as they represented the honour and traditions of the regiment. Colours may be inscribed with the names of battles or other symbols representing former achievements (see battle honours).