1969 The first round of Strategic Arms Limitation Talks (SALT) between the U.S. and U.S.S.R.opened in Helsinki. Finland.
1969 The first round of Strategic Arms Limitation Talks (SALT) between the U.S. and U.S.S.R.opened in Helsinki. Finland.
美苏两国在芬兰赫尔辛基开始第一轮限制战略武器会谈。