nJuly 13
n Washington intercepts and decodes a cable from Japanese Foreign Minister Shigenori Togo to his Ambassador in Moscow that states, “Unconditional surrender is the only obstacle to peace….”
nJuly 15
nPresident Truman lands at Antwerp on his way to Potsdam meeting.  Byrnes has convinced him to drop Article 12 of the Potsdam Declaration, which had provided assurance that the Emperor would be allowed to retain his throne as a constitutional monarch.
nJuly 16
nTrinity test, a plutonium implosion device, takes place at 5:29:45 a.m. mountain war time at Alamogordo, New Mexico.  It is the world’s first atomic detonation.