These horrible decisions, stupid mistakes, and idiotic moves that should never be repeated. As like these examples :- Alexander the Great fall his empire because of not naming an heir.
Harry Potter turned down by the 12 book publishers.
Faulty construction leading to the meltdown of the Chernobyl Reactor.
When not a single US aircraft carrier was in port, the Japanese attacking Pearl Harbor.
Archduke Franz Ferdinand’s driver making a wrong turn that led right to the feet of his assassin, Gavrilo Princip.
14th century China abandoning its navy and pursuing a policy of isolationism.
The door open to Constantinople, allowing the Turks to conquer easily.
Filling the Hindenburg with hydrogen.
Falling for the Trojan Horse.
Inca ruler Atahualpa agreeing to meet Conquistador Fransisco Pizarro during which 80,000 Inca warriors defeated and 200 Spanish horseman ambushed.
Russia selling Alaska to the US for 2 cents an acre.
The Dutch discovering Australia 100 years before the British.
The Persians sending Genghis Khan’s ambassador back to Genghis Khan.
Napolean thinking he could invade Russia in winter.
Hitler thinking he could do better than Napoleon.
NASA loses a Mars orbiter because part of the team used metric units.
Decca Records turning down the Beatles.
Not having enough life boats on the Titanic because it was “unsinkable.”
It took only 10 years for the Tower of Pisa to start leaning while 177 years to build this.
NASA accidentally taping over the moonlanding.