Top 7 Most Expensive Mistakes of All Time - Page 7 of 9

Gold Mine for Sale

In 1867 Russia thought their land area had increased and it was difficult to control such a large area. So the government of Russia decided to sell 1.72 Million Square Kilometres to the USA for a price of 7.2 Million USD. But this was the biggest mistake made by Russia because today that land is called Alaska and has gold mines, natural gas and oil of a market value of around 200 Billion USD.