UNDER JUNGARIAN SUPREMACY 183
Republic sent out a commission of nobles to greet him, and a new and advantageous commercial treaty was concluded, Ragusa agreeing to pay Tvrtko and his successors 500 ipperperi a year for freedom to trade in Bosnia, and 2000 a year as lord of the Servian lands.1 But this friendship did not last long, for on July 26,
1379» we the Republic complaining to Louis of Hungary that the people of Cattaro having offered their city to the King of Bosnia, the latter refused to allow foodstuffs to be imported into Ragusa. Louis defended his faithful vassals, and Tvrtko was forced to desist from his annoyances. When, in 1382, Louis died, he left a widow, Elizabeth, who was Tvrtko’s cousin, and two daughters, Mary and Hedwig. He had declared Mary his successor, and betrothed her to Prince Sigismund, son of the Emperor Charles IV., King of Bohemia; but on his death the Poles, who were united to the Hungarians under the same dynasty, refused to be ruled by Mary, and elected her younger sister Hedwig as their queen instead, and even in Hungary and Croatia a considerable party was opposed to Elizabeth and Mary. Civil war broke out and devastated Hungary, Croatia, Dalmatia, and Slavonia for the next twenty-five years. Of these disturbances Tvrtko determined to take advantage, now favouring Elizabeth and Mary, now Charles of Durazzo, who as an Angevin claimed the throne of Hungary also, and his son Ladislas, always with ^an eye to his own profit.2 His first thought was for Ragusa. He knew that he could not capture the town without a large fleet, for Ragusan shipping had revived since 1358, and was
1	Miklosich, Mon. Serb., 188.	2 Klaic, p. 206.