2016: Iran USA-10 American soldiers who entered Iranian waters

 Iran claims that the U.S. apologized after 10 American soldiers entered Iranian waters and were arrested before being released.  U.S. Secretary of State John Kerry denies there was an apology.

To: 
Iran
From: 
USA
Year of Apology: 
2016
Footnote: 
http://www.telegraph.co.uk/news/worldnews/middleeast/iran/12096275/Iran-holds-two-US-Navy-boats-in-Persian-Gulf.html