Top 10 Human Mistakes That Changed History Forever

These historical mistakes had HUGE consequences! For this list, we’re looking at the errors and accidents that had the biggest impacts in recorded history. Our countdown includes Fleming Leaving Bacteria Out on His Bench, The B-Day that Helped Lose D-Day, Christopher Columbus Was Bad at Math, and more! What historical mistake do YOU think changed history the most? Let us know in the comments!

Watch more great history videos here:
Top 10 Worst Decisions in History: https://youtu.be/TjPmk62WajE
Top 10 Battles in History: https://youtu.be/qNOY1qPRSUM
Another Top 10 Events That Made the World Stand Still: https://youtu.be/GqJq2Z3RwiM

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