Historical Events on August 23

27 significant historical events occurred on August 23. August 23 has been the date of several important historical events over the centuries, with ten notable occurrences recorded. On this day, major diplomatic agreements took place, such as the 1866 Peace of Prague and the 1939 Molotov-Ribbentrop Pact between Nazi Germany and the Soviet Union. The day also saw military engagements like the 1914 Battle of Mons during World War I, as well as significant moments like the 1927 execution of Sacco and Vanzetti and King Michael's 1944 coup in Romania.