13 Minor Miscalculations That Led To Terrible Screw-Ups
![13 Minor Miscalculations That Led To Terrible Screw-Ups](https://s3.crackedcdn.com/phpimages/imageset/6/4/2/902642_320x180.jpg)
It is often said that the difference between success and failure is a matter of inches. In life, it is the small miscalculations and missteps that can lead to the most disastrous of consequences. From miscalculations to mismanagement, these blunders have cost people and organizations millions of dollars. The stories in this list are no exception. Whether it’s a miscalculation in a budget, a misreading of a map, or a metric-imperial mix-up, the results of these mistakes can be devastating. Herein lie thirteen tales of minor miscalculations that ultimately led to terrible screw-ups.
From the Pentagon mistakenly gifting Ukraine $6.2 billion to Robert Tappan Morris’s "clever" virus wreaking havoc, to the mismanagement of the Colorado River Compact leading to a water shortage, these stories are a reminder of how even the smallest of mistakes can have lasting consequences. So, without further ado, let us take a journey through these thirteen minor miscalculations that led to terrible screw-ups.
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Coca Cola: Underestimating the Ramones’ popularity.
![hall hall D STAT ARINE hall BIG OOPS! CAUSING MASSIVE RIOTS In 1996, the Argentine branch of Coca Cola offered free tickets to the Ramones' concert if you had ten bottle caps. They didn't realize how popular the band was, and it caused a huge commotion with people rioting and stealing to secure tickets. Coca-Cola CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/5/2/901952.jpg)
Map-reading fail: Louisiana’s tallest waterfall.
![BIG OOPS! MASSIVE ENVIRONMENTAL DESTRUCTION In 1980, a map was read incorrectly, causing a 14-inch oil rig mining drill bit to puncture a salt dome. This error created a sinkhole that destroyed 65 acres of land and, for a few days, created the highest waterfall in Louisiana. CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/6/0/901960.jpg)
Overestimating Montana manpower.
![BIG OOPS! DRAGGING THOUSANDS OF EXTRA MEN INTO WAR During World War I, the U.S. government thought there were more people in Montana than there actually were. As a result, a lot of people from Montana were drafted - 17% of the eligible population, which was over 40,000 men. CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/5/3/901953.jpg)
Mismanagement leads to water shortage.
![CRACKED BIG OOPS! A WATER CRISIS AFFECTING MILLIONS OF PEOPLE The people who wrote the Colorado River Compact in 1922 made a mistake when they guessed how much water was available, leading to a water crisis in the American West that affects 40 million people.](https://s3.crackedcdn.com/phpimages/imageset/9/5/9/901959.jpg)
"Clever" virus wreaks havoc.
![1084S CE Commodore BIG POWER OOPS! PRACTICALLY SHUTTING DOWN THE INTERNET In the '80s, Robert Morris made a small mistake when he wrote his program, aptly titled The Morris Worm. The CxCommadore program was supposed to spread quietly across the internet, but ended up causing a cyber attack that affected thousands of computers and cost millions. CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/5/8/901958.jpg)
Pentagon accidentally gifts Ukraine $6.2 billion.
![CRACKED BIG OOPS! SENDING WAY MORE AID THAN WE WERE SUPPOSED TO Rio In June 2023, the Pentagon realized it mistakenly sent Ukraine weapons worth $6.2 billion more than they had expected. The extra money would be used for future security needs, they said.](https://s3.crackedcdn.com/phpimages/imageset/9/5/6/901956.jpg)
H&R Block, right.
![CRACKED BIG OOPS! OWING MILLIONS IN TAXES Tax company H&R Block got their own state taxes wrong in 2006, making them owe $32 million in taxes. They had to go back and change their earnings from 2004 all the way up to 2006.](https://s3.crackedcdn.com/phpimages/imageset/9/5/7/901957.jpg)
Dream deal gone wrong.
![BRITISH BIG OOPS! LOSING TENS OF MILLIONS ON A PROMOTION In 1992, Hoover offered British customers two free flights to the U.S. if they bought something worth more than £100. Unfortunately, this promotion ended up costing the company £48 million, and three senior executives were let go. CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/5/4/901954.jpg)
Mistake costs Detroiters $600 million, homes.
![BIG OOPS! EVICTING EVICTIO 100,000 NOTICI PEOPLE OUT OF THEIR HOMES Between 2010 and 2016, Detroit mistakenly overcharged people for their property taxes. This cost people around $600 million, and caused more than 100,000 people to lose their homes. CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/5/5/901955.jpg)
Uh, didn’t read the protocols.
![BIG CAUSING A OOPS! MASSIVE ROCKSLIDE At the Vajont Dam in Italy, engineers didn't do a good enough job looking into the ground to analyze reservoir slope stability. The oversight resulted in a 1963 rockslide that killed at least 2,000 people. CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/5/1/901951.jpg)
"Crab-ulous" miscalculation costs Red Lobster.
![RED LOBSTER ANDICATEO 1-15 ARTIST PARKING CRAB FISH SHRIMP BIG OOPS! LOSING MILLIONS ON A PROMOTION The President of Red Lobster made a mistake when predicting how often people would get more crab and sides during an all-you-can-eat crab dinner deal. This caused the company to lose $3.3 million in their first quarter profits. CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/5/0/901950.jpg)
Oops. Wrong units.
![BIG OOPS! NEARLY CRASHING A PASSENGER JET In 1983, Air Canada Flight 143 from Montreal to Edmonton had to make an emergency landing at an abandoned airstrip in Gimli, Manitoba because they ran out of fuel-all because of a mistake with metric conversions. CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/4/9/901949.jpg)
Missouri: Lost track of a criminal for 13 years. Oops.
![LETTING A CONVICTED ROBBER GO FREE FOR 13 YEARS BIG OOPS! Due to a bureaucratic snafu, Missouri lost track of a guy sentenced to prison for armed robbery. Не stayed free until he was arrested at his home, 13 years later, and taken to jail. Не hadn't even changed his name or moved out of town. CRACKED](https://s3.crackedcdn.com/phpimages/imageset/9/4/8/901948.jpg)