Unidentified gunmen began a three-day attack on the upmarket Westgate shopping mall in Nairobi, Kenya, resulting in the deaths of 67 people with at least another 175 wounded.
Several British Muslim youths in Peterborough, England, murdered 17-year-old Ross Parker, leading to debate over whether the British media failed to cover racially motivated crimes with white victims.
A 7.7 Mw earthquake struck Jiji, Taiwan, killing 2,415 people, injuring more than 11,000 others and causing about NT$300 billion (US$10 billion) in damage across the island.
The Defense of Marriage Act was passed by the United States Congress, prohibiting federal recognition of same-sex marriage, while allowing states to adopt any marital definition of their choosing.
Portugal accepted a diplomatic mission from Southern Rhodesia despite objections by Britain, which had required the colony to implement black majority rule as a condition of independence.
Second World War: The German Army began the Massacre of the Acqui Division on the Greek island of Cephalonia, executing 5,155 Italian soldiers in the next five days.