The <a href="https://en.wikipedia.org/wiki/Left_SR_uprising" id="mw1g" rel="mw:WikiLink" title="Left SR uprising">Left SR uprising</a> in Russia starts with the assassination of German ambassador <a href="https://en.wikipedia.org/wiki/Wilhelm_von_Mirbach" id="mw1w" rel="mw:WikiLink" title="Wilhelm von Mirbach">Wilhelm von Mirbach</a> by <a href="https://en.wikipedia.org/wiki/Cheka" id="mw2A" rel="mw:WikiLink" title="Cheka">Cheka</a> members.