My Lai Massacre

http://en.wikipedia.org/wiki/My_Lai_massacre

http://news.bbc.co.uk/1/hi/special_report/1998/03/98/mylai/64344.stm

Killing Fields of Cambodia

http://www.dithpran.org/killingfields.htm

1994 Rwandan Genncide

http://en.wikipedia.org/wiki/Rwandan_Genocide

http://news.bbc.co.uk/1/hi/world/africa/1288230.stm

Abu Ghraib Torture Scandal

http://en.wikipedia.org/wiki/Abu_Ghraib_prisoner_abuse#reports_of_abuse

Scarred by history: The Rape of Nanking

http://news.bbc.co.uk/1/hi/world/asia-pacific/223038.stm

The Trail of Tears

http://www.pbs.org/wgbh/aia/part4/4h1567.html

The Holcaust

http://www.ushmm.org/wlc/en/index.php?lang=en&ModuleId=10005143

The Firebombing of Dresen

http://en.wikipedia.org/wiki/Bombing_of_Dresden_in_World_War_II#impact_of_the_attack

Atomic Bombings of Nagasaki and Hiroshima

http://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki#hiroshima