Soon afterwards, in 1569, the agreement known as the "Union of Lublin" was concluded between Lithuania and the Crown, or Poland proper, providing for closer administrative and legislative co-operation between the two countries. This resulted in the co-ordination of the constitutional legislation for both parts of the "Republic,"[53] which, in turn, affected injuriously the status of the Jews of Lithuania. The latter country was gradually drawn into the general current of Polish politics, and hence drifted away from the patriarchal order of things, which had built up the prosperity of the Jews in the days of Vitovt. Sigismund Augustus died in 1572, three years after the conclusion of the Union of Lublin. The Jews had good reason to mourn the loss of this King, who had been their principal protector. His death marks the extinction of the Yaghello dynasty, and a new chapter begins in the history of Poland, "the elective period," when the kings are chosen by vote. After a protracted interregnum, the Shlakhta elected the French prince Henry of Valois (1574), one of the instigators of the Massacre of St. Bartholomew. This election greatly alarmed the Jews and the liberal-minded Poles, who anticipated a recrudescence of clericalism; but their fears were soon allayed. After a few months' stay in Poland, Henry fled to his native land to accept the French crown, on the death of his brother Charles IX. The throne of Poland fell, by popular vote, to Stephen Batory (1576-1586), the valorous and enlightened Hungarian duke. His brief reign, which marks the end of the "golden age" of Polish history, was signalized by several acts of justice in relation to the Jews. In 1576 Stephen Batory issued two edicts, strictly forbidding the impeachment of Jews on the charge of ritual murder or sacrilege, in view of the recognized falsity of these accusations[54] and the popular disturbances accompanying them. Stephen Batory even went one step further in pursuing the principle, that the Jews, because of their usefulness to the country on account of their commercial activity, had a claim to the same treatment as the corresponding Christian estates. In ratifying the old charters, he added a number of privileges, bearing in particular on the freedom of commerce. The King directed the voyevodas to protect the legitimate interests of the Jews against the encroachments of the magistracies and trade-unions, who hampered them in every possible manner in their pursuit of trades and handicrafts.