75 years ago, on #ThisDayInHistory, it was announced that Japan had surrendered unconditionally to the Allies. Since then, both August 14 and August 15 have marked the anniversary of celebrations in the U.S. and UK marking the effective end of the war. On the afternoon of August 14 Tokyo time , Japanese radio announced that an Imperial Proclamation was soon to be made, accepting the terms of unconditional surrender drawn up at the Potsdam Conference. In the United States and in the UK, celebrati