The 25 Worst Mistakes Ever Made in History

The evolution of the world that we live in has not been smooth. Humankind has made many mistakes and how! The events such as faulty business deals, scientific discoveries, experiments going wrong, accidents, or any manmade disaster, are a few examples of how mistakes have treated the whole world, affecting it at large and changing […]

The world in which we live has not evolved smoothly. Humanity has made several errors, and how! Events such as incorrect commercial agreements, scientific breakthroughs, failed research, accidents, or any man-made tragedy are just a few instances of how mistakes have affected and changed the whole globe.

What are the World’s Biggest Mistakes?

Nobody, not even business magnates or emperors and their empires, is flawless. Mistakes occur, and everyone makes them. This article discusses the most significant errors that the entire globe has made. Continue reading to discover.

  1. Throwing Away the Bitcoin Portfolio

This new money is causing quite a stir. Many others appear to be investing in the same thing. In 2009, when Bitcoin was first established, James Howells purchased 7,500 of them. It was worth close to nothing at the time. By 2013, the value had risen to 613 pounds, giving him a portfolio worth 4.5 million pounds.


Had he not tossed the Bitcoin portfolio, the man must have lived a life of wealth and pleasure.

  1. When Google was Left Unbought for $1m

In 1999, the creators, Larry Page and Sergey Bin approached Excite CEO George Bell. They made him an offer to acquire Google for $1 million. Bell was not thrilled with the first offering at the time.

After some haggling, the couple settled on $750,000, but the CEO turned them down. Google’s current market capitalization is $365 billion.

  1. Tiger Woods Divorce Settlement that Cost him a fortune

The scandal exploded when it was revealed that Target Woods had slept with many women. The article was published in 2009, and within a year, the golfer agreed to pay an exorbitant divorce settlement of $750 million.


The entire cost of this settlement has risen even more. It is one of the most egregious errors in human history.

  1. When Euro-million Lottery Tickets were Thrown by an Elderly Woman

A woman in England suffered a $181 million loss. Every week, she played the lottery and picked the proper numbers to win Euromillions. However, her husband tossed the tickets away one day.

She knew she had chosen the proper numbers because she would write them down on a different sheet of paper each week.

  1. New Mexico Loses Control of a Controlled Burn

This error occurred in 2000, resulting in significant property damage.

The Cerro Grande fire in New Mexico in 2000 started as a controlled burn but quickly expanded owing to strong winds and dry conditions. The flames were so large that they blazed for more than a month. The fire scorched 48,000 acres, displacing 400 households and causing widespread devastation.

  1. The Nuclear Meltdown at Three Mile Island

The world has seen immense damage in terms of environment, lives, and money and the Three Mile Island nuclear meltdown is one of them. This meltdown was caused by malfunctioning equipment, resulting in a loss of $836.9 million in repairs and clean-up.

The event occurred in 1978. The water used to cool the plant’s uranium fuel burst from its containment chamber. According to reports, this is the deadliest nuclear catastrophe in American history.

  1. NASA’s Mars Climate Orbiter was Lost Forever

NASA lost its $125 million Mars Climate Orbiter in 1999. This is regarded as one of the worst design and development errors. Lockheed-Martin engineers created a portion of the orbiter module using the Imperial system of measurement. The normal metric system was utilised by the remainder of the squad.

Both measuring systems failed to produce the right coordinates for the spacecraft’s navigation system. As a result, it entered orbital insertion and was lost forever.

  1. Chornobyl Disaster

The nuclear accident at Chornobyl is one of the worst disasters in human history. The meltdown of the reactor at this location was caused by egregious carelessness on the part of the officials in charge.

The event occurred on April 26th, 1986. Nuclear scientists conducted a test on one of the four reactors at the Chornobyl nuclear power plant in the Soviet Union (now Ukraine). The crew turned off the backup cooling system and utilised just eight boron-carbide rods instead of fifteen to regulate the pace of atomic fission. As a result, an unpredictable chain reaction ensued.


The disaster produced 100 times the amount of radiation produced by the Hiroshima and Nagasaki bombs combined. Over 4000 individuals were killed, and over 70,000 were permanently crippled.

  1. The Rejection of J.K. Rowling by 12 Publishers

J.K. Rowling’s Harry Potter is one of the most recognised series of novels of all time, and it has even been adapted into films with enormous success. But did you know her work was turned down by 12 publishers?


Her debut novel was turned down 12 times in a row. Finally, the 8-year-old daughter of a Bloomsbury editor expressed a desire to read the rest of the book, prompting the publishing business to negotiate a deal with her. The rest, as far as we can tell, is history. More than 450 million copies of the work have been sold globally as of today.

  1. British Petroleum Oil Spill

The Deepwater Horizon Oil Rig, owned by British Petroleum, exploded in the Gulf of Mexico on April 20, 2010, inflicting widespread devastation. Following the sinking of the oil rig, an oil gusher on the seafloor continued to flow for 87 days. On July 15, 2010, it was finally sealed off.

The explosion occurred as a result of high-pressure methane gas from under the sea oil bursting into the drilling riser. Such growth caused it to ascend to the rig. As a result, it ignited and burst. Eleven persons were killed in this accident. It also resulted in a 4.9 million barrel loss. British Petroleum is responsible for the greatest oil leak in Alaska to date.

  1. B-2 Stealth Bomber Crash

The event occurred in 2008. A B-2 Stealth Bomber was destroyed shortly after takeoff. It was caused by malfunctioning sensors that screwed up the air pressure measurements.

The B-2 was billed as the most sophisticated American aeroplane of all time before it took off. The collision was huge and resulted in a $1.4 billion loss, making it one of the most expensive catastrophes in US history.

  1. When Netflix was Turned Down

Netflix, which has just celebrated its 25th year, is currently one of the most popular OTT services. But did you know that it was formerly rejected by a large number of video rental stores?


Netflix proposed to Blockbuster in 2000 that it manage Blockbuster’s web component for videos and that the latter host its in-store component, effectively eliminating the DVD culture. However, Blockbuster did not take the concept well. They burst out laughing. It must be regretting that chuckle now.

  1. A Misprint Made Japanese Company lose Millions

Mizuho Securities, a Japanese firm, wants to sell one share on the Tokyo Stock Exchange for around $5,000. However, the stockbroker had not gotten enough sleep and made a little error when inputting the data.

He offered 610,000 shares for 1 yen apiece. The corporation objected, but the order had already been executed by the Stock Exchange. As a result, the corporation suffered a massive $225 million loss.

  1. Beatles Was Rejected by Decca Records

Who doesn’t like humming along to the Beatles’ classics? This is one of the most well-known bands in music history. However, did you know that the band, too, was rejected before becoming popular? Decca Records released one of them.

On New Year’s Eve 1961, the Beatles auditioned at Decca Studios. They churned produced 15 tunes in a matter of hours. The tracks were a mix of mainstream and original material. However, the band’s performance did not impress Dick Rowe. The ‘guitar ensembles were on their way out,’ according to his statement.


George Martin signed The Beatles as Parlophone five months later. The combination became one of the most successful endeavours in Hollywood music history.

  1. Mercedez-Benz Bought Chrysler

The merger of the two luxury vehicle behemoths, Mercedes-Benz and Chrysler, occurred in 1998. For $37 billion, the former opted to purchase the latter to establish Daimler Chrysler.

However, the two firms’ mergers did not go smoothly. Mercedes opted to sell Chrysler to Cerberus Capital Management after the firm suffered massive losses. It only cost $7 billion to do so. The company’s overpaying range increased to $20 billion.

  1. When a Company’s Name was Misspelled

It doesn’t happen often, but the British government was sued for £9 million following a clerical blunder. They made a typo, and the wrong firm was listed as under liquidation. On the contrary, it was never in the red.

Over 250 individuals lost their jobs as a result of the British government’s blunder. Taylor & Sons, a 124-year-old Welsh family firm, was mistaken for Taylor and Son by Companies House.

  1. The Sizzling Skyscraper that Resulted in the Meltdown

Skyscrapers are eye-catching structures. There was one in London that was known as a Walkie-Talkie. Rafael Vinoly, the architect, designed it. The distinctive design of the walkie-talkie made it popular. It welcomed eye-catching curving walls. This, however, was not the case.

The structure gained notoriety when its south-facing reflecting glass façade began channelling sunrays in such a way that they melted vehicles and caused the fire. As a result, many plans were taken to address the issue, including the installation of a permanent sunshade and the use of temporary netting.

  1. The Third Founder of Apple Who Sold His Share

Apple is the most well-known brand in technology. There are several stories regarding the company’s founders, Steve Jobs and Steve Wozniak. Technology corporation altered the way we live our lives and conduct business. But did you realise the corporation also had a third founder?


Ronald Wayne had a 10% stake in the corporation. He was Apple’s founder for only 12 days before deciding to sell his part to Jobs and Wozniak for $800. He had no idea that the company’s net worth would one day exceed $1 trillion! His blunder is difficult to overlook.

  1. When the New Coke Flavor Became a Big Flop

Coca-Cola is a household name in the food sector. It has a classic flavour that the manufacturers have successfully kept throughout the years. But did you know there was a reason why the corporation refused to experiment with its taste and flavour?

Coke devised a strategy in 1985 to offer a new flavour to compete with Pepsi. New Coke was introduced by the corporation. It was sweeter than drinking soda. Customers, on the other hand, did not like the flavour. Not only that, but it also resulted in higher stock prices for their competitors. Coke finally chose to abandon the taste and return to its original formula.

  1. Yahoo! Sells to Alibaba

When discussing the legends of the technology and banking industries, this story must be mentioned. Yahoo! owned 30% of Alibaba in 2005. The former opted to sell half of its interest to the latter after seven years. The stock was priced at $13 per share by the corporation. At the time, the acquisition looked to be profitable for the corporation. After all, the retail titan profited $7.6 billion from the same transaction.


The tables were flipped in 2014 when Alibaba went public and set records as its stock surged to $68 per share. This company’s shares are currently worth $150 a share. The corporation is worth $84 billion. Yahoo! sold its internet operations to Verizon in 2017. The transaction was completed for $4.8 billion.

  1. The Fall of Lotus Riverside Apartment

Lotus Riverside Apartment was a Shanghai apartment complex that collapsed owing to faulty construction techniques. A 4.6-meter parking park was dug behind the opposite side of the structure, while ten metres of displaced dirt was heaped against one side. One worker died as a result of the fall after returning to the construction site to retrieve his misplaced tools.

There were several warnings regarding the bad construction that was taking on. However, the building business chose to ignore it.

  1. When Alaska was Sold to the United States

Few people are aware that The Last Frontier was not always a part of the United States of America. It belonged to Russia once at a time. Alaska was not popular with Alexander II. Furthermore, the adverse weather conditions made cultivation tough. High transportation expenses made it unprofitable as a trade port. In 1867, he sold the colony to America for $7.2 million.

After a century and twenty years, the projected value of Alaska’s oil and gas reserves is a stunning $200 billion.

  1. When Titanic Hit the Iceberg

The catastrophe that the passengers and crew of the Titanic endured was unlike any other. The ship was nicknamed “the unsinkable” at the time and was the biggest passenger ship in history. But it sunk, and how!


Despite the warnings of approaching peril, the team opted to embark on their fateful journey. It scraped its right side along a massive glacier on April 15, 1912. It caused the ship to fill with water and sink. Around 1500 individuals perished, and $7.5 million in monetary damage occurred.

  1. The use of Thalidomide as a Morning Sickness Treatment

Thalidomide was initially promoted as a safe over-the-counter sedative in the early 1950s. In 46 nations, several doctors prescribed it to pregnant women as a morning sickness remedy. However, the harmful consequences of the medications were quickly discovered.

These women’s children were born with terrible abnormalities. Babies with the condition have shortened arms or legs, as well as flipper-like hands and feet. Other defects, such as deformed ears, eyes, hearts, and other organs, were also present in some newborns. By the time the producers discontinued the medicine, 100,000 pregnant women had already taken it. Approximately 40% of newborns exposed to this medication died.

  1. When the Trains were Too Fat for the Platforms

In 2014, a French firm, SNFC, botched the purchase of 2,000 trains since many of its stations were too narrow to accommodate these new trains.

It was a huge blunder that cost the corporation around 50 million euros. It was also an expensive expenditure to add to the 15 billion euros the firm had already spent to buy these trains. The operator’s failure to measure the railway platforms was the source of the inaccuracy. These platforms were constructed 50 years ago.

What are your opinions on the world’s biggest blunders? Tell us in the comments section below. Keep in contact for additional information.


Writer turned blogger trying his luck in e-commerce business.

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