The Balkans: Bulgaria signs a military agreement with Germany agreeing to enter on the side of the Central Powers. In return for sending forces against Serbia and Montenegro (thereby re-opening the unresolved business of the recent Second Balkan War), Bulgaria is promised large parts of Macedonia, a sea port on the Adriatic and territorial concessions in European Turkey. [Burg & Purcell: “Almanac of World War 1”]
An update from Cairo: Intelligence officer T.E. Lawrence writes home to his family: he has heard that the weather in Britain has been terrible; he sends a request for a book search for him at Blackwell’s bookshop; and, today being his mother’s birthday, he speculates that “For the next one there will probably be peace”.
Modern Life: In Exeter, in England’s west country, the local paper reports that 72 year old Mr Charles Steele has been fined 10 shillings at the Police Court for leaving his motor car unattended in Queen street for nearly an hour… thereby causing an obstruction. His plea that he was engaged on important business appears to have made no impression on the local magistrates. [Western Times].
War at Sea: The German submarine U-24 sinks the White Star Liner, “Arabic”, with the loss of 44 lives. In retaliation the British Royal Navy’s “HMS Baralong” tricks another U-boat, U-27 by flying a US flag and feigning the rescue of passengers from another British steamer, and then shelling and destroying the submarine. The 12 surviving crew of U-27 take refuge on the steamer they were about to destroy, but are summarily executed by a boarding party from the Baralong. (“the Baralong incident”).
Urban Life: in Exeter, England, the Exeter and Plymough Gazette reports that wagonner Arthur Brealy has been fined 7 shillings and sixpence for dangerous driving of his horse and waggon laden with hay (not keeping in to the left side), resulting in a collision with the post-office mail motor van.
Accidents and disasters: at the dockside on the Chicago River, the steamship “Eastland”, which is boarding passengers for a Western Electric works outing across Lake Michigan, rolls over and capsizes. 844 passengers and crew are drowned, over 200 of them Czech immigrants.
In the Middle East: In Turkish Mesopotamia (now Iraq) British forces take the town of Nasiriya from the Turks, and begin to prepare plans for an advance northward to Baghdad. [Roger Ford: “Eden to Armageddon; World War 1 in the Middle East”]