A long time ago, there was a king. 
A long time ago, a king named Ottokar ruled. 

Ottokar helped many new towns grow. He also helped people trade goods. He wanted things to be fair. This helped his lands stay strong.
He even helped people find silver. This made his land very rich. Many people moved to his cities. They helped the towns grow even more.
Later, there was a big fight for land. Ottokar lost a battle to a rival. 
His young son became the next king. Ottokar is still remembered today. He was a great king.
Ottokar II was a powerful king of Bohemia. 
Ottokar's lands grew very large. At his peak, his realm stretched from the Sudetes to the Adriatic Sea. 
But Ottokar had rivals. A man named Rudolf of Habsburg wanted power too. Rudolf was elected as the German leader. Ottokar did not want to give up his lands. He tried to win them back with a big army. In 1278, he fought the Battle on the Marchfeld. 
Ottokar II was a very powerful ruler in Europe. 

Ottokar's path to the throne was not always easy. He was the second son of King Wenceslaus I. His older brother, Vladislaus, was supposed to be the heir. But Vladislaus died in 1247. This meant Ottokar suddenly became the heir to the throne. At first, he spent much of his time in Brno. There, he helped rebuild lands hurt by Mongol raids in 1242. Later, he led a rebellion against his own father. During this time, he was called "the younger King." His father eventually defeated the rebels and put Ottokar in prison. Eventually, the father and son made peace to work together.
Ottokar worked hard to grow his lands and power. He married Margaret of Babenberg in 1252 to help his claim to Austria. After that marriage ended, he married Kunigunda of Halych in 1261. They had several children, including a son named Wenceslaus II. Ottokar was a very busy leader who liked to build. He helped found about 30 new towns in his lands. He also helped people trade goods more easily. He supported silver mines in Jihlava to make his kingdom rich. He even gave special rights to Jewish people in 1254. 
Even though he was strong, Ottokar had many rivals. He wanted to be the Holy Roman Emperor. However, he was not chosen for that role. Instead, leaders chose Count William II of Holland. Later, a man named Rudolf of Habsburg was elected. Rudolf wanted Ottokar to give back many lands. This included the duchies of Austria, Styria, and Carinthia. Ottokar did not want to give these lands away. He felt they belonged to him. This caused a lot of tension between the two leaders.
In the end, Ottokar fought a final battle to keep his power. He gathered a large army from many places. He had allies from Bavaria, Brandenburg, and Poland. They met Rudolf's forces at the Battle on the Marchfeld. This battle took place on 26 August 1278. Sadly, Ottokar was defeated and died in the fight. 
Ottokar II was a powerful ruler of the Přemyslid dynasty. He reigned as the King of Bohemia from 1253 until 1278. History often calls him the "Iron and Golden King." He held many important titles during his life. He was the Margrave of Moravia starting in 1247. He also served as the Duke of Austria, the Duke of Styria, the Duke of Carinthia, and the landgrave of Carniola. 

Ottokar's rise to power was unexpected. He was the second son of King Wenceslaus I of Bohemia. His older brother, Vladislaus, was originally the heir to the throne. However, Vladislaus died in 1247. This sudden death changed everything for Ottokar. He was initially prepared for a life in the church. After his brother died, his father appointed him Margrave of Moravia. He moved to Brno to help rebuild lands damaged by Mongol raids in 1242. In 1248, he even led a rebellion against his father. During this conflict, nobles elected him "the younger King." This rebellion ended when his father defeated the rebels and imprisoned him in Přimda Castle. Eventually, the father and son reconciled to work together.
Ottokar used marriages and diplomacy to expand his empire. After the death of the last Babenberg duke in 1246, a struggle for power began. This was known as the War of the Babenberg Succession. To secure his claim to Austria, Ottokar married Margaret of Babenberg in 1252. Margaret was the sister of the late Duke Frederick II. This marriage was later annulled because they had no children. In 1261, Ottokar married Kunigunda of Halych. This second marriage was successful and produced several children. His only legitimate son was Wenceslaus II, who later became king. 
Managing such a large realm required constant effort and conflict resolution. Ottokar faced challenges from many neighbors. King Béla IV of Hungary challenged his control over Styria. This led to a conflict that was settled through papal mediation. Ottokar eventually won a major victory at the Battle of Kressenbrunn in 1260. This victory helped him secure his rights to the territory. He also participated in two crusade expeditions against the pagan Old Prussians between 1254 and 1268. In 1255, the Teutonic Order founded a city called Königsberg to honor him. This city later became the capital of the Duchy of Prussia.
Ottokar's political ambitions reached for the highest office in the Holy Roman Empire. He hoped to become the King of the Romans, which would make him the Emperor. However, he was unsuccessful in these bids. In 1254, Count William II of Holland was recognized instead. Later, the electors chose Rudolf of Habsburg as the new leader. This created a massive rivalry between the two men. In 1274, Rudolf decreed that lands taken during the imperial interregnum must be returned. This meant Ottokar might lose Austria, Styria, and Carinthia. To avoid this, Ottokar signed a treaty in 1276 to give up some claims. This created an uneasy peace that did not last.
In 1278, Ottokar attempted to take back his lost lands by force. He gathered a large army with allies from Bavaria, Brandenburg, and Poland. He met the forces of Rudolf and King Ladislaus IV of Hungary at the Battle on the Marchfeld. This battle took place on 26 August 1278. Ottokar was defeated and killed during the fighting. 
Despite his violent end, Ottokar left a lasting legacy in Bohemia. He was a great builder and founder of many new towns. He established about 30 new settlements through civic charters. These charters gave towns special privileges and helped trade grow. He also supported silver mining in Jihlava, which made the kingdom wealthy. Ottokar introduced new legal systems, such as the Law of Emphyteusis. This law allowed subjects to be free from many feudal duties. He also issued a general privilege to the Jewish people in 1254. This helped integrate them into Czech society for many years. His legal changes helped shape the core of Czech law for centuries.
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