9/11
uk/ˌnaɪn.ɪˈlev.ən/us/ˌnaɪn.ɪˈlev.ən/mainly USSeptember the eleventh, written in US style: the date of the attacks on the World Trade Center and the Pentagon in the US in 2001:
Since 9/11 there has been more cooperation between Russia and America.
Thesaurus: synonyms and related words
Terrorism & political crime
- anti-terrorist
- bioterrorism
- counterterrorism
- high treason
- hijack
- narcoterrorism
- sedition
- skyjack
- terrorism
- treason