Protesters clashed with riot police in Mexico City on Wednesday, leaving dozens injured as thousands of people marched to mark the anniversary of the 1968 massacre of students.
Hopes that Somalia may soon turn the page on decades of anarchy have been dealt a string of blows, giving the internationally-backed government little to cheer as it marks its first birthday.
Nagasaki on Friday marked the 68th anniversary of the atomic bombing by the United States during World War II that turned the Japanese city into an inferno.
Tens of thousands gathered at a peace memorial park in Hiroshima on Tuesday to mark the 68th anniversary of the US atomic bombing of the city, as anti-atomic sentiment runs high in Japan.
The largest military operation in the Pacific since World War II wound up in the Solomon Islands on Wednesday after a decade working to end deep-seated ethnic violence in the poverty-stricken nation.
North Korea has launched its annual Arirang festival, featuring tens of thousands of performers in a highly-choreographed display of patriotism and support for the ruling Kim dynasty.
A year after an anti-Israeli bus bombing killed six people, Bulgaria is struggling to identify the attacker or confirm his suspected links to Hezbollah or Iran.
Bosnia will bury 409 victims of the Srebrenica massacre, including a newborn baby, the 18th anniversary of Europe's worst post-war atrocity in which Bosnian Serb forces slaughtered some 8,000 Muslims.
Chinese authorities imposed tight control in the capital of Xinjiang, the fourth anniversary of ethnic rioting which killed around 200 people, said state media and exile groups.
Civil rights icon Martin Luther King Jr is being remembered in a Washington, D.C. exhibition held to tie-in with the 50th anniversary of his famous march on the US capital.
Washington warned against travel to Egypt after an American was among three people killed during rival demonstrations for and against Islamist President Mohamed Morsi.
The death toll in one of the worst riots in China's restive Xinjiang area has been raised to 35 from 27, state media said Friday, amid reports of tightened security ahead of a sensitive anniversary.