http://www.telegraph.co.uk/news/worldnews/asia/china/7720461/USSR-planned-nuclear-attack-on-China-in-1969.html
蘇聯planed to nuke 中國 in 1969, and did not do it due to USA
http://www.telegraph.co.uk/news/worldnews/asia/china/7720461/USSR-planned-nuclear-attack-on-China-in-1969.html