Daily Historian on Instagram: "The phalanx formation was an ancient Greek military tactic that revolutionized warfare in the classical world. This tight-knit infantry formation consisted of heavily armed soldiers called hoplites, who stood shoulder-to-shoulder in ranks typically eight to sixteen men deep. Each hoplite carried a large round shield called a hoplon, a long spear called a dory (measuring 7-9 feet), and wore bronze armor. The key to the phalanx's effectiveness was unity—soldiers over