The <a href="https://en.wikipedia.org/wiki/President_of_the_Republic_of_China" id="mwww" rel="mw:WikiLink" title="President of the Republic of China">President of the Republic of China</a>, <a href="https://en.wikipedia.org/wiki/Zhang_Zuolin" id="mwxA" rel="mw:WikiLink" title="Zhang Zuolin">Zhang Zuolin</a>, is assassinated by Japanese agents.