War in 1913 over the Balkan Alliance against Turkey, Italy and Rumania join up right away because they think the Entente is winning, Russia doesn't stumble into the trap at Masurian Lakes because they aren't hurrying so much to take pressure off an invaded France, Turkey stays neutral because while they can close the straits the Entente can ship stuff by rail through the Balkans, France fights in Belgium instead of France because of Plan Michaek and therefor keeps more industrial power, Russia stays in the war longer, and things just go to hell in general for the Germans.
Since France and Britain and Italy are democracies, peace overtures may be better recieved than the other way around in OTL.