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Boston Marathon bombing

Two homemade bombs detonated near the finish line of the Boston Marathon, creating a scene of chaos and killing three visitors and wounding more than 260 other people. Terrorists were two Muslim bothers born in the former Soviet republic of Kyrgyzstan. One of them was killed shortly after accident.

Hillsborough disaster

The Hillsborough disaster was a fatal human crush during an FA Cup semi-final football match between Liverpool and Nottingham Forest at Hillsborough Stadium in Sheffield, England. With 96 fatalities and 766 injuries, it remains the worst disaster in British sporting history.

Sinking of the RMS Titanic

One of the largest and most luxurious ocean liners Titanic sank into the North Atlantic Ocean about 400 miles south of Newfoundland, Canada. The ship, which carried 2,200 passengers and crew, had struck an iceberg. More than 1,500 people went down in the sinking ship or froze to death in icy water.