June 25 – Emir of Qatar Hamad bin Khalifa Al Thani abdicates and his son Tamim bin Hamad Al Thani assumes power. June 26 Kevin Rudd defeats Julia Gillard in an Australian Labor Party leadership ballot and consequently becomes Prime Minister of Australia, three years after Gillard replaced Rudd. United States v. Windsor (570 U.S. 744) decided in the Supreme Court of the United States, overturning a key section of the Defense of Marriage Act and hence granting federal recognition to same-sex marriage in the United States. July July 1 – Croatia becomes the 28th member of the European Union. July 3 – Amid mass protests across Egypt, President Mohamed Morsi is deposed in a military coup d'état, leading to widespread violence. July 21 – Philippe is sworn in as King of the Belgians, following the abdication of Albert II. July 22–28 – XIV World Youth Day, in Rio de Janeiro, Brazil. August August 14 – Following the military coup in Egypt, two anti-coup camps are raided by the security forces, leaving 2,696 dead. The raids were described by Human Rights Watch as "one of the world's largest killings of demonstrators in a single day in recent history". August 15 – Horacio Cartes is sworn in as President of Paraguay. August 21 – 1,429 are killed in the Ghouta chemical attack during the Syrian Civil War. August 29 – The United Kingdom Parliament votes against UK military attacks on Syria. September September 7 2013 Australian federal election: The Liberal/National Coalition led by Tony Abbott defeats the Labor Government led by Prime Minister Kevin Rudd. Abbott would be sworn in on September 18th. The International Olympic Committee awards Tokyo the right to host the 2020 Summer Olympics. September 8 – The 2013 Colorado Floods begin, resulting from heavy rain in the Colorado River Basin. September 17 – Rockstar Games releases video game Grand Theft Auto V. September 21 – al-Shabaab militants attack the Westgate shopping mall in Nairobi, Kenya, killing at least 62 civilians and wounding over 170. October October 10 – Delegates from some 140 countries and territories sign the Minamata Treaty, a UNEP treaty designed to protect human health and the environment from emissions and releases of mercury and mercury compounds. October 15 – A magnitude 7.2 earthquake struck Bohol, Philippines, leaving 222 dead, 8 missing, and 976 people injured. October 18 – Saudi Arabia rejects a seat on