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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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Article_5_contingency_(2001) entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-05-11 and was most recently seen on 2026-05-11.
The North Atlantic Treaty Organization (NATO) declared an Article 5 contingency through a series of resolutions of the North Atlantic Council enacted between September 12 and January 20, 2005, done in response to the September 11 attacks in the United States. The decision to invoke NATO's collective self-defense provisions was undertaken at NATO's own initiative, without a request by the United States, and occurred despite the hesitation of Germany, Belgium, Norway, and the Netherlands. It is the only time in NATO's history its collective defense provisions have been invoked.
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