Social Media Tuesday’s Twitter death hoax proves false: Margaret Thatcher is NOT dead The Iron Lady is the latest victim of a Twitter hoax that was took shape when a fake news account tweeted the faux news, which thousands retweeted. By Michael SebastianAug. 15, 2012 SHARE Ragan Insider Premium Content This is false. Thatcher is alive. To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.