The first Great Khan of the Mongol Empire, Genghis Khan, attempted to establish diplomatic and trade relations with Ala al-Din Muhammad, Shah of neighboring states (the territory of modern Iraq and Iran) in the XIII century. However, after all the proposals of Genghis Khan were rejected and the Mongolian diplomat was beheaded, Genghis Khan vigorously responded to such a form of denial, and sent 200,000 soldiers to destroy the state.
Facebook's programmers rejected Brian Acton and Jan Koum, when they were interviewed and applied for a job in 2009. A few years later Facebook has bought programmers’ project WhatsApp for $19 billion.
French State Railways spent $16 billion on a new set of trains. Unfortunately, the train turned out to be too wide for more than 1,300 platforms at stations across the country. The solution will be cost an additional $50 million. It is almost like buying a car and did not check whether it will fit into your house garage.
In 1962 Decca recording studio was looking for new groups and new artists to sign them on the label. They listened to the two groups in their studios in London and signed a contract with Brian Poole and group “The Tremeloes.” Do you know which group they refused? Quartet from Liverpool, who would later become famous as The Beatles.
On the British government sued for damages of $9 million after a bureaucratic error, resulting in the company's name was written superfluous letter, and the company was liquidated by mistake. More than 250 people lost their jobs when the company Taylor and Son took over bankrupt in 2009 instead of Taylor and Sons.