On Good Friday 1958, thousands gathered in London's Trafalgar Square to protest nuclear weapons. They were responding to a string of test blasts conducted by the United Kingdom, the third nation to join the nuclear club after the US and USSR.
원문출처 : https://www.cnn.com/style/article/style-origins-peace-symbol/index.html
원문출처 : https://www.cnn.com/style/article/style-origins-peace-symbol/index.html