partner Helene Engelmann John William Turrentine, 86, American chemist who perfected a method of mass production of potash and iodine during World War One. June 12, 1966 (Sunday) Elections were held for the Supreme Soviet, the USSR legislature consisting of the 767 member Soviet of the Union and the 750 member Soviet of Nationalities. Voters were presented with a yes-or-no choice for the slate of 1,517 candidates endorsed by the Communist Party of the Soviet Union (CPSU). Out of 143,917,031 votes cast, there were as many as 345,643 (0.2%) "no" votes, against 143,570,976 "yes". The Division Street riots, the first in a major city of the United States by Puerto Ricans, broke out in Chicago after city police shot and wounded a 20-year-old man, Cruz Arcelis. Over three days, 16 people were injured, one died, and more than 50 buildings in the Puerto Rican neighborhoods on the city's northwest side, near the intersection of Division Street and Damen Avenue, were destroyed. The 1966 Belgian Grand Prix was held at Circuit de Spa-Francorchamps and was won by John Surtees, with Jochen Rindt in second place. Died: Hermann Scherchen, 74, Austrian conductor June 13, 1966 (Monday) The admonition of rights that would become known as the "Miranda warning" became required in the U.S. after the ruling in Miranda v. Arizona by the Supreme Court of the United States that the police must inform suspects of their constitutional rights before questioning them. The 5–4 ruling, written by Chief Justice Earl Warren, set forth that before a suspect was questioned, he must be warned of his right to remain silent and his right to an attorney or his statements could not be admitted into evidence. The required warning that begins "You have the right to remain silent..." would ever after be named for Ernesto Miranda, the suspect whose March 13, 1963 arrest made him the main petitioner in the Court case. The collision of two trains in India, crowded with commuters, killed more than 100 people near Bombay (Mumbai). A northbound train, heading toward the suburb of Thana was diverted to another track that was carrying a southbound train. Operation Kansas was carried out in the Vietnam War as a 13-man reconnaissance team was landed by helicopter in the middle of the Que Son Valley on the small mountain of Nui Loc Son. In the next 24 hours, six more recon assets were deployed