<a href="https://en.wikipedia.org/wiki/Second_Sino-Japanese_War" id="mwxg" rel="mw:WikiLink" title="Second Sino-Japanese War">Second Sino-Japanese War</a>: The <a href="https://en.wikipedia.org/wiki/Kuomintang" id="mwxw" rel="mw:WikiLink" title="Kuomintang">Chinese Nationalist</a> government creates the <a href="https://en.wikipedia.org/wiki/1938_Yellow_River_flood" id="mwyA" rel="mw:WikiLink" title="1938 Yellow River flood">1938 Yellow River flood</a> to halt <a href="https://en.wikipedia.org/wiki/Imperial_Japanese_Army" id="mwyQ" rel="mw:WikiLink" title="Imperial Japanese Army">Japanese forces</a>. Five hundred thousand to nine hundred thousand civilians are killed.