In military, a runner was a foot soldier responsible for carrying messages between units during war.
In Ancient Greece, Hemerodromoi (day-runners), Hemeroscopoi (day-watchers) and Dromokerykes (runner heralds) were employed to carry important news and perform surveillance.
They swiftly relayed the information to the appropriate authorities, ensuring timely responses to emerging situations.
[1][2][3] Even though field telephones were widely used for the first time during World War I (1914–18), they relied on copper wire lines, which were often damaged or unreliable, or simply unavailable as troops advanced.
[4] On battlefields dominated by automatic weapons and trench warfare, as well as the first widespread use of artillery and air attacks, runners faced one of the most dangerous jobs as they had to leave the relative safety of a shelter, and carry messages to other positions.