In order to grasp the true significance of the events which preceded and led up to the fall of Antwerp, it is necessary to understand the extraordinary conditions which existed in and around that city when I reached there in the middle of August. At that time all that was left to the Belgians of Belgium were the provinces of Limbourg, Antwerp, and East and West Flanders. Everything else was in the possession of the Germans. Suppose, for the sake of, having things quite clear, that you unfold the map of Belgium. Now, with your pencil, draw a line across the country from east to west, starting at the Dutch city of Maastricht and passing through Hasselt, Diest, Aerschot, Malines, Alost, and Courtrai to the French frontier. This line was, roughly speaking, "the front," and for upwards of two months fighting of a more or less serious character took place along its entire length. During August and the early part of September this fighting consisted, for the most part, of attempts by the Belgian field army to harass the enemy and to threaten his lines of communication and of counter-attacks by the Germans, during which Aerschot, Malines, Sempst, and Termonde repeatedly changed hands. Some twenty miles or so behind this line was the great fortified position of Antwerp, its outer chain of forts enclosing an area with a radius of nearly fifteen miles. Antwerp, with its population of four hundred thousand souls, its labyrinth of dim and winding streets lined by mediaeval houses, and its splendid modern boulevards, lies on the east bank of the Scheldt, about fifteen miles from Dutch territorial waters, at a hairpin-turn in the river. The defences of the city were modern, extensive, and generally believed, even by military experts, to be little short of impregnable. In fact, Antwerp was almost universally considered one of the three or four strongest fortified positions in Europe. In order to capture the city it would be necessary for an enemy to break through four distinct lines of defence, any one of which, it was believed, was strong enough to oppose successfully any force which could be brought against it. The outermost line of forts began at Lierre, a dozen miles to the south-east of the city, and swept in a great quarter-circle, through Wavre-St. Catherine, Waelhem, Heyndonck and Willebroeck, to the Scheldt at Ruppelmonde.