In addition, 2011 marks the 10th anniversary of the Declaration against Racism, Racial Discrimination, Xenophobia and related Intolerance, adopted in 2001 in Durban, South Africa.

UNESCO: AFRICA

The attacks triggered Britain and France's declaration of war against Germany two days later.

BBC: Poland remembers World War start

The murder of two within ten days looks to Brazilians like a declaration of war against the state by organised crime.

ECONOMIST: The shocking murders of two judges