October October 1 – Paleontologists announce the discovery of an Ardipithecus ramidus fossil skeleton, deeming it the oldest remains of a human ancestor yet found. October 2 Ireland holds a second referendum on the EU's Lisbon Treaty. The amendment is approved by the Irish electorate, having been rejected in the Lisbon I referendum held last year. The International Olympic Committee awards Rio de Janeiro the right to host the 2016 Summer Olympics. October 15 – It is revealed the company Trafigura has been using a super-injunction to stop The Guardian from reporting about the 2006 Côte d'Ivoire toxic dumping incident, which Trafigura was responsible for. October 20 Susilo Bambang Yudhoyono is inaugurated for a second term as President of Indonesia. WikiLeaks leaked the membership listing of a radical political group known as the British National Party. October 22 – Microsoft releases Windows 7 to all computers and laptops and they released an edition for ATMs. October 23 – The 2009 Cataño oil refinery fire began after an explosion at the refinery in Bayamón, Puerto Rico. October 24 – The 2009 El Ayyat railway accident occurred in Giza, Egypt, when a passenger train derailed due to stoppage of animals on the train tracks. 50 people were killed and 30 people were injured. October 25 – Two suicide attacks in Baghdad, Iraq, kill 155 people and injure at least 721 people.
October October 1 – Paleontologists announce the discovery of an Ardipithecus ramidus fossil skeleton deeming it the oldest remains of a human ancestor yet found October 2 Ireland holds a second referendum on the EU's Lisbon Treaty The amendment is approved by the Irish electorate having been rejected in the Lisbon I referendum held last year The International Olympic Committee awards Rio de Janeiro the right to host the 2016 Summer Olympics October 15 – It is revealed the company Trafigura has been using a super-injunction to stop The Guardian from reporting about the 2006 Côte d'Ivoire toxic dumping incident which Trafigura was responsible for October 20 Susilo Bambang Yudhoyono is inaugurated for a second term as President of Indonesia WikiLeaks leaked the membership listing of a radical political group known as the British National Party October 22 – Microsoft releases Windows 7 to all computers and laptops and they released an edition for ATMs October 23 – The 2009 Cataño oil refinery fire began after an explosion at the refinery in Bayamón Puerto Rico October 24 – The 2009 El Ayyat railway accident occurred in Giza Egypt when a passenger train derailed due to stoppage of animals on the train tracks 50 people were killed and 30 people were injured October 25 – Two suicide attacks in Baghdad Iraq kill 155 people and injure at least 721 people