struggle between the older members as to who should become the ruler. Each candidate sought to win the favor of the ruling prince, since his approval had considerable influence upon the election. Thus Sobeslav, being acknowledged by Vladislav as his successor, mounted the throne without any opposition. But one candidate refused to give up his claims. This was Otto the Black, the brother of Swatopluk. Otto the Black had expected to obtain the crown at the death of Swatopluk, and, being disappointed, he determined that now, at least, the prize should not elude his grasp. He therefore appealed to Lothair, who was now Emperor of Germany.
Like his predecessors, the reigning emperor was glad of the opportunity to meddle in the affairs of Bohemia, and so at once summoned Sobeslav to appear before him and explain how he dared accept the crown of Bohemia without the consent of the emperor. Sobeslav replied to the messengers as follows: “I hope, through God’s mercy, and through the help of St. Vojtech and St. Václav, that our country shall not be delivered into the hands of strangers.” In order that this confidence might not appear to be misplaced, he immediately began to make vigorous preparations for war. Being a popular prince, soldiers flocked to his standard from all sides, and soon he was ready to meet the enemy. In the winter of 1126, Lothair invaded the country on the borders of Saxony. A bloody battle was fought in which the Germans were totally defeated, and Otto the Black, the candidate for the crown of Bohemia, fell mortally wounded. A treaty of peace was made by which Lothair agreed never to ask more of the Bohemians than the privilege of confirming the
