Originally Posted by The Other Guy
To you, what are the biggest blunders in military history?
NOTE: this contributes to all recorded battles.
For Me, it would probably be either Market Garden, Charge of the Light Brigade, The Somme, right off the top of my head. Oh, and Monte Cassino, too
Why do you think these are the biggest blunders? Market Garden was an ambitious plan to shorten the war which didn't quite work. I'm not sure it would count as one of the biggest blunders of all time though. Likewise with Monte Cassino. I also heard that the popular story of the Charge of the Light Brigade was a myth and it was actually more successful than is commonly accepted.
If you want a big military blunder I would go for Operation Barbarossa as it ultimately cost Germany WW2. If that had gone differently who knows what state the world would be in today.
Another big blunder is the attack on Pearl Harbor by the Japanese. Just think, had they not done this would Japan today be the dominant military power in Asia? I think so. Would the US have even joined WW2? I'm not sure they would have.