Zimbabwe The incumbent President of Zimbabwe, Robert Mugabe, determines that elections will be scheduled for 31 July 2013, however Mugabe's leading presidential contestant and primary political rival Morgan Tsvangirai rejects this as being "a unilateral and flagrant breach of the constitution".
Dale Cregan British gangster Dale Cregan is sentenced to a whole life tariff for the murders of four people, including two police officers.
Salcajá Gunmen ambush and kill eight police officers and kidnap the chief of police in Salcajá, Guatemala.
Corruption scandal Czech investigative authorities start a raid against organized crime, affecting the top levels of Czech politics, including Prime Minister Petr Nečas and his coalition government.
St. Louis Four people are killed in a murder-suicide at a home health care business in St. Louis, Missouri, United States, by the owner of the business, 59-year-old Ahmed Dirir.
BRCA gene United States Supreme Court rules that isolated human genes are not patentable, invalidating BRCA gene patents held by Myriad Genetics.
Buenos Aires A train collision in Buenos Aires, Argentina, results in three deaths and at least 150 injured.
Greek nationals Greek unions call for a general strike following the closure of public broadcaster ERT.
Syrian civil war The United States establishes and concludes that the Syrian President Bashar al-Assad's regime has used chemical weapons.