Best I could find: > The last time the State Department issued a similar worldwide alert was Dec. 2014. http://www.usatoday.com/story/news/2015/11/23/state-dep

Best I could find: > The last time the State Department issued a similar worldwide alert was Dec. 2014. http://www.usatoday.com/story/news/2015/11/23/state-department-worldwide-travel-alert-terrorism-islamic-state-/76281856/ http://www.usatoday.com/story/news/2015/11/23/state-departme...