br>In 1618, the famous second defenestration of Prague provoked the Thirty Years' War, a particularly harsh period for Prague and the Bohemia. Ferdinand II of Habsburg was deposed, and his place as King of Bohemia taken by Frederick V, Elector Palatine; however the Czech Army under him was crushed in the Battle of White Mountain (1620) not far from the city. Following this in 1621 was an execution of 27 Czech leaders (involved in the uprising) in Old Town Square and the exiling of many others. The city suffered subsequently during the war under Saxon (1631) and Battle of Prague (1648). Prague began a steady decline which reduced the population from the 60,000 it had had in the years before the war to 20,000. In the second half of the 17th century Prague's population began to grow again. Jews have been in Prague since the end of the 10th century and, by 1708, they accounted for about a quarter of Prague's population.
In 1689, a great fire devastated Prague, but this spurred a renovation and a rebuilding of the city. In 1713–14, a major outbreak of plague hit Prague one last time, killing 12,000 to 13,000 people.
The economic rise continued through the 18th century, and the city in 1771 had 80,000 inhabitants. Many of these were rich merchants and nobles who enriched the city with a host of palaces, churches and gardens full of art and music, creating a Baroque style renowned throughout the world. After the Battle of Prague in 1757 the city was badly damaged during a Prussian bombardment. In 1784, under Joseph II, the four municipalities of Malá Strana, Nové Město, Staré Město, and Hradčany were merged into a single entity. The Jewish district, called Josefov, was included only in 1850. The Industrial Revolution had a strong effect in Prague, as factories could take advantage of the coal mines and ironworks of the nearby region. A first suburb, Karlín, was created in 1817, and twenty years later the population exceeded 100,000.
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