These decisions cost humanity dearly. Welcome to WatchMojo, and today we're looking at ten horrible choices from human history that had disastrous - and deadly - consequences. Our countdown of the deadliest mistakes in human history includes Russia Invades Ukraine (2022-), Moctezuma II Welcomes the Spanish (1519), Stalin's Terror Famine (1932-33), and more! read more...
10 DEADLIEST Mistakes in Human History
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VOICE OVER: Rebecca Brayton
WRITTEN BY: Joshua Garvin
