Historical Record Wars That Shaped History A comprehensive chronicle of humanity's most devastating conflicts — causes, casualties & consequences 3,000+ Wars Recorded 1B+ Lives Lost 5,000 Years of Conflict 171 Countries Invaded by UK 45+ US Military Conflicts Understanding War War has been a defining force in human civilization — reshaping borders, collapsing empires, accelerating technology, and claiming hundreds of millions of lives across recorded history. What Defines a War? A war is an extended, organized conflict between two or more armed political groups. Modern definitions require sustained violence, distinct combatant factions, and significant casualties beyond sporadic skirmishes. Human Cost Historians estimate over 1 billion people have died in wars throughout recorded history, ...
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