History of measurement units of length referred to above and the Mesopotamian cubit were used in the 3rd millennium BC and are the earliest known units used by ancient peoples to measure length. The units of length used in ancient India included the dhanus, or dhanush (bow), the krosa (cry, or cow-call) and the yojana (stage). The common cubit was the length of the forearm from the elbow to the tip of the middle finger. It was divided into the span of the hand or the length between the tip of little finger to the tip of the thumb (one-half cubit), the palm
The finger as the "rigid digit" salute. It was used in a more jocular manner, to suggest an airman had committed an error or infraction; the term was a reference to British slang terms for inattentiveness (i.e. "pull your finger out (of your bum)"). The "order of the rigid digit" continued after the war as a series of awards presented by the veteran's association of the 91st, marked by wooden statuettes of a hand giving the single finger gesture. In 2005 during the war in Iraq, Gunnery Sergeant Michael Burghardt gained prominence when the Omaha World-Herald published a photo of Burghardt making