On September 29, 2011, Russia bans the import of ground beef from a large supplier in Kansas, USA, following a recall by the company of more than 130,000 pounds of meat over E. coli contamination concerns.

http://blogs.voanews.com/breaking-news/2011/09/30/russia-bans-fresh-meats-from-u-s-over-e-coli-scare/
http://www.reuters.com/article/2011/09/29/russia-us-meat-idUSL5E7KT4KU20110929