The subculture of flying flags dates returned centuries, serving as a way of communique on battlefields

https://stephenqqkk502.focalledger.com/posts/why-is-it-easier-to-remove-the-american-flag-than-defend-it-2

The culture of flying flags dates to come back centuries, serving as a method of communique on battlefields. They conveyed messages of allegiance and victory, permitting armies to coordinate routine and solutions devoid of verbal communication.