Quiet life for was interrupted in 1756, a fierce Seven Years' War. The brunt of it made in the Statement of Prussia, which had at the same time to fight against France, Austria, Saxony, Poland, Sweden and Russia. Joining together, they could put up against Frederick about 500 thousand soldiers. However, the allies acted inconsistently, apart from each other on a broad front. Quickly transferring troops from one place to another and causing rapid blows, Frederick not only initially reflect all their attacks, but also managed to win a series of brilliant victories, which have plunged in astonishment throughout Europe.