1449062 \'The Boiling Point\', illustration for \'Mr Punch\'s History of Modern England\', by Charles L. Graves, 1922 (engraving) by Raven-Hill, Leonard (1867-1942); Private Collection; (add.info.: The Balkan League was an alliance formed by a series of bilateral treaties concluded in 1912 between the Balkan states of Greece, Bulgaria, Serbia and Montenegro, and directed against the Ottoman Empire, which at the time still controlled much of the Balkan peninsula. The Balkans had been in a state of turmoil since the early 1900s, with years of guerrilla warfare in Macedonia followed by the Young Turk Revolution and the protracted Bosnian Crisis.); Look and Learn / George Collection ; English, out of copyright.