Research 76

Name another surprise attack on the United States that occurred in the 21st century.

Seventy-four years ago (Dec. 7), the Imperial Japanese Navy launched a devastating and surprise attack on the U.S. naval base in Pearl Harbor, Hawaii, killing more than 2,000 service members and ultimately accelerating America's involvement in World War II.

The Boston Marathon bombing of 2013

Explanation:

In April 5th 2013, two home made improvised explosive devices, which were later analysed as two homemade pressure cooking gas cyclinder bomb, were detonated at the finishing line of the Boston marathon killing 3 people and injuring about 246 others.

hernan cortes;

explanation:

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