The Main Political Scenarios of the last 25 Years

1) Chernobyl nuclear disaster - April 1986 results in the Reykjavik Summit - October 11–12, 1986, which results in the INF Treaty

2) 9-11 September 2001 results in the termination of the ABM Treaty - June 2002

3) The US' ratification of the New START Treaty - 02 February 2011 triggers Tōhoku earthquake and Fukushima nuclear accident - 11 March 2011