<a href="https://en.wikipedia.org/wiki/Iran_hostage_crisis" id="mwAQQ" rel="mw:WikiLink" title="Iran hostage crisis">Iran hostage crisis</a>: In response to the hostage situation in <a href="https://en.wikipedia.org/wiki/Tehran" id="mwAQU" rel="mw:WikiLink" title="Tehran">Tehran</a>, U.S. President <a href="https://en.wikipedia.org/wiki/Jimmy_Carter" id="mwAQY" rel="mw:WikiLink" title="Jimmy Carter">Jimmy Carter</a> orders a halt to all petroleum imports into the United States from <a href="https://en.wikipedia.org/wiki/Iran" id="mwAQc" rel="mw:WikiLink" title="Iran">Iran</a>.