2014 Event Iran balks at the terms for peaceful nuclear development suggested by Britain, China, France, Germany, Russia, and the United States; the nations hope to reach a deal by July 20th; in exchange, sanctions against Iran will be removed 2012 Event Pope Benedict XVI says Cuba needs to find ways to move away from Communism, and that he will help them find a peaceful way to make the transition 1982 Event General Ariel Sharon urges Palestinians to discuss peaceful coexistence 1976 Event U.S. and Russia agreed on size of nuclear tests for peaceful use 1963 Event Birmingham police use dogs and cattle prods on peaceful demonstrators 1959 Event U.N. Committee on Peaceful Use of Outer Space is established 1959 Event 12 nations sign treaty for scientific peaceful use of Antarctica 1955 Event Geneva conference held to discuss peaceful uses of atomic energy 1864 Event Colorado militia kills 150 peaceful Cheyenne Indians