A military formation used by ancient Greek armies, consisting of heavily armed infantry (hoplites) arranged in close ranks with overlapping shields and long spears. This formation was nearly impregnable from the front.
From Greek 'phalanx' originally meaning 'log' or 'roller,' later applied to the military formation because of its solid, unified appearance. The word emphasized the formation's strength through unity and coordination.
The phalanx was like an ancient tank made of human shields and spears! Its success depended entirely on discipline and unity - if even one soldier broke ranks or fled, it could collapse the entire formation. This military innovation helped small Greek city-states defeat much larger Persian armies at battles like Marathon and Thermopylae.
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