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Mount Saint Helens had a series of volcanic eruptions in Washington state. The eruption had an explosive index of 5.
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The challenger crashed because of an external tank explosion. Sharon Christa McAuliffe, Dick Scobee, Gregory Jarvis, and four other astronauts died when the Challenger crashed.
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The Berlin Wall Speech, which is most known for the phrase "Tear Down This Wall," was given by Ronald Reagan.
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270 people died on the Pan Am Flight 103 bombing, 190 of which were American citizens.
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When President H. W. Bush declared a "War on Drugs" it was the first time a national anti-drug effort was unambiguous in stating its priorities. In his time in office, President Bush increased the budget for stopping drugs from 5 billion to 12 billion dollars.
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The explosion killed 168 people and injured hundreds more. It destroyed more than a third of the Alfred P. Murrah Federal Building.
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The Columbine Massacre was a devastating school shooting that killed 13 people: 12 students and one teacher. The shooters were two seniors, who were Eric Harris and Dylan Klebold.
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This terrorist attack was a huge tragedy that killed almost 3,000 people. 19 militants associated with the Islamic extremist group Al Qaeda hijacked four airplanes that caused a large amount of damage. Two planes hit the twin towers of the World Trade Center, one hit the pentagon, and one landed in a Shanksville, Pennsylvania field.
