The Columbine Massacre

The Columbine High School massacre was a school shooting which occurred on April 20, 1999, at Columbine High School in Columbine, an unincorporated area of Jefferson County in the State of Colorado. Two senior students, Eric Harris and Dylan Klebold,

murdered a total of 12 students and one teacher. They injured 21 additional students, with three other people being injured while attempting to escape the school. The pair

then committed suicide.The Columbine High School massacre is the deadliest mass murder committed on an

American high school campus.

Sandy Hook Elementary

On December 14, 2012, Adam Lanza fatally shot twenty children and six adult staff

members at Sandy Hook Elementary School in the village of Sandy Hook in Newtown, Connecticut. Before driving to the school, Lanza had shot and killed his mother, Nancy Lanza, at their Newtown home. As first responders arrived, Lanza committed suicide by shooting himself in the head.

Virginia Tech Massacre

• The Virginia Tech massacre was a school shooting that took place on April 16, 2007, on the campus of Virginia Polytechnic Institute and State University in Blacksburg, Virginia, United States. Seung-Hui Cho, a senior at Virginia Tech, shot and killed 32 people and wounded 17 others in two separate attacks, approximately two hours apart, before committing suicide (another 6 people were injured escaping from classroom windows). The massacre is the deadliest shooting incident by a single gunman in U.S. history

West Nickel Mines School Shooting

• On October 2, 2006, a shooting occurred at the West Nickel Mines School, an Amish one-room schoolhouse in the Old Order Amish community of Nickel Mines, a village in Bart Township of Lancaster County, Pennsylvania. Gunman Charles Carl Roberts IV took hostages and shot ten girls (aged 6–13), killing five, before committing suicide in the schoolhouse.

UT Clock Tower Shootings

August 1, 1966 : University of Texas Clock Tower Shootings. After killing his wife and mother, Charles Whitman pointed a rifle from the observation deck of the University of Texas at Austin’s Tower and began shooting in a homicidal rampage that went on for 96 minutes. He killed fifteen people and wounded 31 others before being shot dead by police.

Dunblane Massacre

• March 13, 1996 : Dunblane massacre. Unemployed former shopkeeper and Scout leader Thomas Hamilton walked into Dunblane Primary School armed with two 9 mm pistols and two .357 Magnum revolvers. He killed sixteen small children and a teacher. The subsequent police investigation revealed that Hamilton had loaded the magazines for his Browning with an alternating combination of fully metal jacketed and hollow point ammunition. This event led to the banning of handguns in the UK.

Olivehurst, Cali.

• May 1, 1992: Olivehurst, California Lindhurst High School shooting. Eric Houston, 20, killed four people and wounded 10 in an armed siege at his former high school. Prosecutors said the attack was in retribution for a failing grade