June 2001 - Japan: eight killed
A deranged man stabs to death eight small children at a primary school in Tokyo.
April 2002 - Germany: 16 killed
A student who is angry at having been expelled from his school enters it and guns down 16 people, including 12 teachers and two students.
November 2004 - China: eight killed
A 21-year-old man enters a high school in Hunan province and opens fire in a dormitory, killing eight teenagers and injuring four.
March 2005 - United States: 10 killed
A 16-year-old boy kills two people at his home in the Red Lake Indian Reservation of Minnesota, then goes to his school where he kills five fellow students, a teacher and a security guard and then himself.
October 2006: United States: six killed
A man enters a school of the Amish community in Nickel Mines, Pennsylvania and shoots 11 girls, killing five, before turning his weapon on himself.
April 2007: United States: 33 killed
A heavily armed South Korean student kills a total of 32 people on his campus at Virginia Tech in Blacksburg, Virginia. He then kills himself.
November 2007 - Finland: Nine killed
An 18-year-old student opens fire in a school in southern Finland killing five boys, two girls and the headmistress before turning his gun on himself.
February 8, 2008: United States: three killed
A female student shoots two other women before turning the gun on herself at a Baton Rouge college in the southern state of Louisiana.
February 14, 2008: United States: at least five killed
Seventeen people are reported shot after a gunman opens fire at Northern Illinois University in suburban Chicago. The gunman killed himself.