William C. Campbell William C. Campbell, Satoshi Omura, and Tu Youyou win the 2015 Nobel Prize in Medicine for their work on parasitic diseases.
Governor Jerry Brown Governor Jerry Brown signs legislation which will go into effect in late 2016, legalizing euthanasia statewide in California.
Trans-Pacific Partnership The Trans-Pacific Partnership between the United States and 11 Pacific Rim countries is finalized in the American city of Atlanta. According to wikileaks, the main point of the deal will be that trans-national corporations will not be subjected to the laws of individual countries. Instead, an international system will be formed with the right to overrule national laws and legal decisions.
Independent Commission Against Corruption The Independent Commission Against Corruption charges former Chief Executive of Hong Kong Donald Tsang with corruption.
Nauru The government of Nauru announces that the Nauru Detention Centre will become an "open facility" where people seeking asylum in Australia will be able to move freely around the island.
2015 Pacific typhoon season Tropical Storm Kabayan (local name for then-Tropical Storm Mujigae) leaves at least two dead in the Philippines with two injured and 63 persons missing. The system intensified as it leaves the Philippine Area of Responsibility heading toward China.
At least nine people are dead as Typhoon Mujigae hits southern China in the midst of the country's weeklong National Day holiday. Mujigae also generates several strong tornadoes and leaves dozens of fishermen missing. Nearly 200,000 people had been evacuated before the storm made landfall. Neighboring Guangxi Zhuang region orders 12,700 fishing boats and 35,400 offshore workers to return to port.
Hurricane Joaquin The El Faro, missing since Thursday, is categorized as sunk with 33 people on board during Hurricane Joaquin after a debris field is found.
October 2015 nor'easter In South Carolina, the death toll rises to nine people in weather-related incidents with millions remaining homebound. Rain is forecast to continue with parts of the state dealing with flooding for some time.
World Bank The World Bank estimates that 9.6 percent of the world’s population is living in extreme poverty this year, down from 12.8% in 2012. The bank also updated its global poverty line from $1.25 per day to $1.90 per day to reflect inflation and changes in purchasing power around the world; it was last adjusted in 2008.
American Apparel Clothing manufacturer and retailer American Apparel files for bankruptcy. The company says that its 200+ retail stores will continue to operate without any interruptions.
Yemeni Civil War (2015–present) Fighting rages between Houthi militants and Hadi loyalists backed-by Saudi-led coalition forces along Yemen's Red Sea coast for control over the strategic Bab-el-Mandeb strait. Houthi officials say that their forces have destroyed six opposing tanks and killed multiple pro-Hadi fighters. Also, the UAE announces another of its soldiers has died during fighting in Ma'rib.
Iraqi Civil War (2014–2017) Car-bombings across Iraq kill at least 57 people. The attacks include a rare bombing in the southern Basra province leaving 10 people dead. The Islamic State of Iraq and the Levant is suspected of being behind the attacks.
Russian military intervention in the Syrian civil war Turkey says a Russian warplane violated its airspace near the Syrian border, prompting the Turkish Air Force to scramble two F-16 fighter jets to intercept it. The Foreign Ministry summoned Russia's ambassador to protest the violation and urged Russia to avoid repeating such a violation, or it would be held "responsible for any undesired incident that may occur".