Republican Party The Republican Party candidates for President of the United States debate, in two events (top tier candidates and lower-tier candidates separated) in an informal kick-off event for the 2016 campaign.
Saudi Arabia Saudi Arabia sends new military equipment including tanks from Sharura into northern Yemen to support government forces fighting Iran-backed Houthi militants.
Pakistan A Pakistani military helicopter crashes in Khyber Pakhtunkhwa province resulting in at least 11 deaths.
Zabul Province A helicopter crash in the southern province of Zabul kills at least 17 people, including 12 Afghan army soldiers.
Atomic bomb Many people throughout the world commemorate the 70th anniversary of the dropping of an atomic bomb on the Japanese city of Hiroshima.
The Daily Show American news satire program "The Daily Show" airs its last broadcast with comedian Jon Stewart as host.
Syrian civil war Islamic State of Iraq and the Levant conquers the key transport hub Al-Qaryatain, allowing its forces in the Qalamun region to be supplied through this city.
2015 Abha mosque bombing A suicide bomb attack kills at least 15 people at a mosque in the south-western Saudi city of Abha. IS claims responsibility.
War A suicide bomber kills at least eight people and injures twelve in the city of Pul-i-Alam in Logar Province.