the Republic of the Congo, becoming the country's sole legal political party. July 21 – Race riots begin in Singapore between ethnic Chinese and Malays. July 22 – The second meeting of the Organisation of African Unity is held. July 24 – A minor criticality accident takes place at a United Nuclear Corporation Fuels recovery plant in Wood River Junction, Rhode Island, United States, causing the death of one worker. July 27 – Vietnam War: The U.S. sends 5,000 more military advisers to South Vietnam, bringing the total number of United States forces in Vietnam to 21,000. July 31 – Ranger program: Ranger 7 sends back the first close-up photographs of the Moon (images are 1,000 times clearer than anything ever seen from Earth-bound telescopes). August August 2 – Vietnam War: United States destroyer Maddox is attacked in the Gulf of Tonkin. Air support from the carrier USS Ticonderoga sinks one gunboat, while the other two leave the battle. August 5 Vietnam War: Operation Pierce Arrow – Aircraft from carriers USS Ticonderoga and USS Constellation bomb North Vietnam in retaliation for strikes against U.S. destroyers in the Gulf of Tonkin. The Simba rebel army in the Democratic Republic of the Congo captures Stanleyville, and takes 1,000 Western hostages. August 7 – Vietnam War: The United States Congress passes the Gulf of Tonkin Resolution, giving U.S. President Lyndon B. Johnson broad war powers to deal with North Vietnamese attacks on U.S. forces. August 8 – A Rolling Stones gig in Scheveningen gets out of control. Riot police end the gig after about fifteen minutes, upon which spectators start to fight the riot police. August 13 – The last judicial hanging in the United Kingdom takes place when murderers Gwynne Owen Evans and Peter Anthony Allen are executed at Walton Prison in Liverpool. August 16 – Vietnam War: In a coup, General Nguyễn Khánh replaces Dương Văn Minh as South Vietnam's chief of state and establishes a new constitution, drafted partly by the U.S. Embassy. August 18 – The International Olympic Committee bans South Africa from the Tokyo Olympics on the grounds that its teams are racially segregated. August 20 – The International Telecommunications Satellite Consortium (Intelsat) began to work. August 22 – Goalkeeper Derek Foster of Sunderland becomes the youngest-ever player to play in the English Football League, aged 15 years and 185 days. August 24 – 27 – The Democratic