U.S. June 17 – The Malayan Communist Party launches a second insurgency and the state of emergency is again imposed in Malaysia. June 20 – Austin Currie, Member of the Parliament of Northern Ireland, along with others, squats in a house in Caledon to protest discrimination in housing allocations. June 21 – : A student demonstration in front of the Jornal do Brasil ("JB") building ends with 28 dead and over a thousand arrested. June 23 Puerta 12 tragedy: A football stampede in Buenos Aires leaves 74 dead and 150 injured. The first round of voting takes place in the French legislative elections scheduled following the public unrest of May. June 26 The Bonin Islands are returned to Japan after 23 years of occupation by the United States Navy. The "March of the One Hundred Thousand" takes place in Rio de Janeiro as crowds demonstrate against the Brazilian military government. July–August July 1 – The Nuclear Non-Proliferation Treaty opens for signature. July 4 – British yachtsman Alec Rose, 59, receives a hero's welcome as he sails into Portsmouth, after his 354-day round-the-world trip. July 17 – Saddam Hussein becomes Vice Chairman of the Revolutionary Council in Iraq after a coup d'état. July 18 – The semiconductor company Intel is founded. July 20 – The first International Special Olympics Summer Games are held at Soldier Field in Chicago, Ill, with about 1,000 athletes with intellectual disabilities. July 23–28 – Black militants led by Fred (Ahmed) Evans engage in a fierce gunfight with police in the Glenville Shootout of Cleveland, Ohio, in the United States. July 25 – Pope Paul VI publishes the encyclical entitled Humanae vitae, on birth control. July 26 – Vietnam War: South Vietnamese opposition leader Trương Đình Dzu is sentenced to 5 years hard labor, for advocating the formation of a coalition government as a way to move toward an end to the war. July 29 – Arenal Volcano erupts in Costa Rica for the first time in centuries. August 1 – The Municipal University of São Caetano do Sul is established in São Caetano do Sul, São Paulo. August 2 – The magnitude () 7.6 Casiguran earthquake affects the Aurora province in the Philippines with a maximum Mercalli intensity of IX (Violent), killing at least 207 and injuring 261. August 5–8 – The Republican National Convention in Miami Beach, Florida nominates Richard Nixon for U.S. president and