<a href="https://en.wikipedia.org/wiki/Second_Sino-Japanese_War" id="mw3A" rel="mw:WikiLink" title="Second Sino-Japanese War">Second Sino-Japanese War</a>: The <a href="https://en.wikipedia.org/wiki/Battle_of_Shanghai" id="mw3Q" rel="mw:WikiLink" title="Battle of Shanghai">Battle of Shanghai</a> begins.