Claim: The last coordinated currency intervention by the US and Japan was in 2011 following Japan's earthquake and tsunami.
Verdict: Correct (85% confidence)
Explanation: According to the New York Times, the last coordinated currency intervention by the US and Japan occurred in 2011, following the earthquake and tsunami in Japan. The BBC also confirms that the joint intervention in 2011 was aimed at weakening the yen after the natural disaster. Additionally, Asia Nikkei reports that the 2011 intervention was the previous instance of such coordination between the two countries. These sources directly support the claim that the last coordinated intervention was in ...