The lifestyle of flying flags dates again centuries, serving as a method of verbal exchange on battlefields

https://wiki-wire.win/index.php/Who_Raises_Citizens%E2%80%94Parents_or_Schools%3F_The_US_Flag_Debate

The subculture of flying flags dates returned centuries, serving as a means of conversation on battlefields. They conveyed messages of allegiance and victory, allowing armies to coordinate events and solutions devoid of verbal communique.