Sale of Alaska
Some historians regard the transaction as a short-sighted blunder by Czar Alexander II, giving up Alaska's rich natural resources, particularly its oil and gas, for $7.2 million - about $125 million (£100 million) in today's money.
Vasa was the world’s most high-tech warship when it set sail. The story of what happened to the ship has gone down in history: despite being one of the Swedish navy’s biggest achievements.
Berlin Brandenburg Airport (2012)
Berlin Brandenburg Airport was slated to open on June 3, 2012. So great was the anticipation, public broadcaster rbb planned to go live for 24 hours covering it. Just before the opening date, inspectors reported some 120,000 defects, including fire safety issues.
The S-81 Isaac Peral (2013)
The submarine started production in 2013 as part of a new quartet for the Spanish navy. Ince it’s submerged, the Isaac Peral may never be able to resurface again. The mistake is said to have been a result of a pesky decimal point placed wrongly.
Mars Climate Orbiter (1999)
The Mars Climate Orbiter was a 638-kilogram robotic space probe launched by NASA on December 11, 1998, to study the Martian climate, Martian atmosphere, and surface changes and to act as the communications relay in the Mars Surveyor '98 program for Mars Polar Lander. A disaster investigation board reports that NASA’s Mars Climate Orbiter burned up in the Martian atmosphere because engineers failed to convert units from English to metric.
The Baltic Ace (2012)
MV Baltic Ace was a Bahamian-flagged car carrier, that sank in the North Sea on 5 December 2012 after a collision with the Cyprus-registered container ship Corvus J. Built by Stocznia Gdynia in Poland, the ship had been in service since 2007. The accident killed 11 of its 24 crew members. Moreover, it sank over 1,400 new cars that were being brought from Japan and Tokyo to Russia.
Lake Peigneur Drilling Disaster (1980)
In 1980, a drilling exhibition done by Texaco triggered a cataclysmic series of events that turned an 11-foot-deep freshwater body of water in Louisiana known as Lake Peigneur into a 1,300-foot-deep saltwater lake.
Lotus Riverside Disaster (2009)
On June 27, 2009 at 5:30 am Block 7, one of the eleven 13-story buildings of the apartment complex in Shanghai, China, collapsed, killing one worker. According to Shanghai Daily, initial investigations attribute the accident to the excavations for the construction of a garage under the collapsed building. Large quantities of earth were removed and dumped in a landfill next to a nearby creek; the weight of the earth caused the river bank to collapse, which, in turn, allowed water to seep into the ground, creating a muddy foundation for the building that toppled.
1.5 Million Balloons Disaster (1986)
The event took place on September 27, 1986 in Cleveland, Ohio, and was intended to be a harmless fundraising publicity stunt, but the balloons drifted back over the city, Lake Erie, and landed in the surrounding area, causing problems for traffic and a nearby airport.