They say history repeats itself. Which means that all of the glorious bravery and stories are constantly serving as examples. It’s why it’s important to learn from history, as they help us navigate our lives, and our civilization. But history also has a darker side… it shows us the mistakes that don’t bear repeating. Those horrible decisions, those stupid mistakes, those idiotic moves that should never be repeated. Learn from few examples, and be wiser for it.
The 12 book publishers who turned down Harry Potter.

Faulty construction leading to the meltdown of the Chernobyl Reactor, the consequences of which are still being counted to this day.
The Japanese attacking Pearl Harbor when not a single US aircraft carrier was in port.
Russia selling Alaska to the US for 2 cents an acre because they thought it was a useless tundra.
The Dutch discovering Australia 100 years before the British but ignoring it because they thought it was a useless desert.
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 and the other half used English.
Not having enough life boats on the Titanic because it was “unsinkable.”
It took 177 years to build the Tower of Pisa and only 10 years for it to start leaning.
NASA accidentally taping over the moonlanding. In fact, there are no known original recordings of the event.
Source:::: Viral nova trending site
Natarajan