sentences:  The Bulgarian army, defeated in World War I, was limited in size of 20,000 men by the Treaty of Neuilly-sur-Seine.A shadow of its former glory, the army retained weapons hidden away for better times.In 1919 a group of officers led by Generals Ivan Valkov and Velizar Lazarov – and joined by Kimon Georgiev and Damyan Velchev – formed the Military Union.