U.S. Preventive Services Task Force The U.S. Preventive Services Task Force issues a recommendation stating that, in consultation with their doctor and pharmacist, and provided the risk of gastrointestinal bleeding and the very rare risk of certain hemorrhagic strokes do not outweigh the benefits in individual cases, that people aged 50 to 70 (especially those aged 50-60 and with a 10 percent risk or higher of cardiovascular disease, or CVD; mindful that the risk of bleeding, which can be dangerous, goes up as one ages) should take low-dose aspirin, for a period of at least 10 years, for preventive benefits against CVD and heart attack, as well as colorectal cancer. The evidence is inconclusive for those not at very high risk who are over 70, and below 40, and there is only weak evidence for prevention of lung cancer, breast cancer, and prostate cancer.
Electoral campaign in 2015 Manuel Baldizon drops out of the presidential race leaving Jimmy Morales and Sandra Torres in the runoff.
Malcolm Turnbull Malcolm Turnbull launches a challenge for the leadership of the Liberal Party of Australia against incumbent Prime Minister Tony Abbott and wins 54–44.
Rowan County, Kentucky In the U.S., Rowan County, Kentucky county clerk Kim Davis, involved in the litigation over same-sex marriage, states she will not block her deputies from issuing marriage licenses, but will not authorize them personally (her name will not appear on them, and they will state that they were given under a federal judicial order).
Professor Shannon Lamb, a professor at Delta State University who was suspected of two murders in the U.S. state of Mississippi—the woman he was living with in Gautier and a fellow professor at the Delta State campus in Cleveland—dies from a self-inflicted gunshot wound while being pursued by police.
Relocation of Marine Corps Air Station Futenma Takeshi Onaga, the governor of the Japanese prefecture of Okinawa, revokes approval for work on the US Marine Corps Air Station Futenma.
Flash flood At least seven people are dead and six missing after a flash flood in the American town of Hildale, Utah.
2015 Pacific typhoon season Tropical Storm Vamco makes landfall south of Da Nang, Viet Nam, causing flooding in the region.
Kyushu Kyushu island's Mount Aso, Japan's largest active volcano, erupts. Numerous flights serving Kumamoto Airport are canceled.
University of Notre Dame A University of Notre Dame study finds significant correlation between substantial executive stock options and future product recalls. CEOs with abundant stock options get a huge payoff when the company performs well but endure minute consequences when it doesn’t.
Brazil Brazil announces a $17 billion austerity package after Standard and Poors further downgrades its credit rating.
Syrian civil war United States Department of Defense says that Russia has deployed armoured vehicles and troops to Syria in what has been described as the "first clear sign of offensive weapons arriving in Syria" and "the largest deployment of Russian forces outside the former Soviet Union since the collapse of the USSR".
War Taliban insurgents storm a prison in the central Afghan province of Ghazni killing at least four prison officers and freeing about 350 prisoners. The deputy provincial governor of the Ghazni province says the attackers were well-organised and wearing military uniforms.
Saudi-led coalition Ten people are killed, seven from the same family, in a Saudi-led coalition airstrike on a government building in a southern suburb of Sana'a, the Yemen capital.
Emirati troops advance on the Houthi controlled Yemeni capital, Sana'a after securing control of Marib, the capital of Marib province.
Five Saudi troops are killed following clashes with Houthi militants in the southern Najran region near the border with Yemen.