The Loss of the S. S. Titanic: Its Story and Its Lessons

ven no assistance to the allies. The occupation of Adrianople and Philippopolis opened the way to a further advance into Bulgaria and Macedonia. It was not, however, till 136

5 its Czar, Alexander, died, and his kingdom was divided between his three sons. Sisman, the elder, got the largest share. The other two gave no assistance to their brother when the Ottomans invaded his country. Between 1366 and 1369, Murad advanced into Bulgaria, and took possession of the Maritza Valley, as far as the R

372 they crossed the Vardar River and penetrated into Old Serbia, Albania, and Bosnia. The main part of Serbia, however, remained in the hands of Lazar, its prince. But he was compelled to acknowledge the suzerainty of the Sultan. As regards the part of Bulgaria not annexed, its prince, Sisman, was allowed to retain his independence. His daughte