World War II: Summary, Combatants & Facts | HISTORY
https://www.history.com/topics/world-war-ii/world-war-ii-history
WEBOct 29, 2009 · World War II, the largest and deadliest conflict in human history, involved more than 50 nations and was fought on land, sea and air in nearly …
DA: 32 PA: 8 MOZ Rank: 50