Japanese Prime Minister <a href="https://en.wikipedia.org/wiki/Koki_Hirota" class="extiw" title="en:Koki Hirota">Kōki Hirota</a> (<a href="https://ja.wikipedia.org/wiki/%E5%BB%A3%E7%94%B0%E5%BC%98%E6%AF%85" class="extiw" title="ja:廣田弘毅">廣田弘毅</a>, 1878–1948, in office 1936–37)
sometime in March 1936–February 1937
<a rel="nofollow" class="external free" href="http://www.botanical.jp/libraries/ou/200412/22-1826/">http://www.botanical.jp/libraries/ou/200412/22-1826/</a> <a rel="nofollow" class="external free" href="http://www.botanical.jp/libraries/ou/200412/22-1826/">http://www.botanical.jp/libraries/ou/200412/22-1826/</a>]