April April 2 – The United Nations General Assembly adopts the Arms Trade Treaty to regulate the international trade of conventional weapons. April 13 – Venezuelan presidential election: Nicolás Maduro is declared winner with a narrow victory over his opponent Henrique Capriles Radonski. Protests continue to October. April 15 – Boston Marathon bombing: Two Chechnya-born Islamist brothers (one a United States citizen) detonate 2 bombs at the Boston Marathon in Boston, Massachusetts, in the United States, killing 3 and injuring 264 others. April 20 – A magnitude 6.6 earthquake jolts Sichuan, China, leaving 193 people dead and more than 11,000 injured. April 21 – Businessman Horacio Cartes wins the 2013 Paraguayan general election against Efraín Alegre. April 24 – The 2013 Savar building collapse, one of the worst industrial disasters in the world, kills 1,134 people in Bangladesh. April 30 – Willem-Alexander is inaugurated as King of the Netherlands following the abdication of Beatrix.
April April 2 – The United Nations General Assembly adopts the Arms Trade Treaty to regulate the international trade of conventional weapons April 13 – Venezuelan presidential election Nicolás Maduro is declared winner with a narrow victory over his opponent Henrique Capriles Radonski Protests continue to October April 15 – Boston Marathon bombing Two Chechnya-born Islamist brothers (one a United States citizen) detonate 2 bombs at the Boston Marathon in Boston Massachusetts in the United States killing 3 and injuring 264 others April 20 – A magnitude 66 earthquake jolts Sichuan China leaving 193 people dead and more than 11000 injured April 21 – Businessman Horacio Cartes wins the 2013 Paraguayan general election against Efraín Alegre April 24 – The 2013 Savar building collapse one of the worst industrial disasters in the world kills 1134 people in Bangladesh April 30 – Willem-Alexander is inaugurated as King of the Netherlands following the abdication of Beatrix