BORN TODAY: In Cleveland, Ohio – the automated traffic light. The American Traffic Signal Co instals the first electric traffic light system at East 105th Street and Euclid Avenue.
Eastern Front: Austria-Hungary declares war on Russia
The Balkan Front: In Cetinje, Montenegro declares war on Austria-Hungary.
Western Front: The Battle of Liege begins. German troops make a surprise night attack on four of Liege’s twelve forts which is repulsed with heavy German casualties. German forces execute Belgian priests claimed to be engaged in conspiratorial resistance to the invasion.
The War at Sea: In the first naval engagement of the war, two British destroyers sink the German minelayer Konigin Luise, fifty miles off the English coast.
(sources: Almanac of World War 1; The Guns of August)
Accidents: Near Joplin, Missouri, USA, a train collision kills 42 people.